Source:
https://www.kidsbookseries.com/search?age=9&rl=3Book series for 9-year-olds at reading level: 3rd grade (list current as of Dec 15, 2025)
39 Clues by Rick Riordan, Gordon Korman, Peter Lerangis, et al. (Age 9 - 12)  39 Clues: Cahills vs. Vespers by Gordon Korman, Jude Watson, Peter Lerangis, et al. (Age 9 - 12)  39 Clues: Unstoppable by Jude Watson, Jeff Hirsch, Natalie Standiford, et al. (Age 8 - 12)  A to Z Mysteries by Ron Roy (Age 6 - 9)  A to Z Mysteries Super Edition by Ron Roy (Age 6 - 9)  According to Humphrey by Betty G. Birney (Age 7 - 11)  Adventures of the Bailey School Kids by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Adventures of the Bailey School Kids Holiday Special by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Adventures of the Bailey School Kids Super Special by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Alex Rider by Anthony Horowitz (Age 9 - 15)  Alice Prequels by Phyllis Reynolds Naylor (Age 7 - 12)  Amber Brown by Paula Danziger (Age 7 - 11)  Amber Brown (continued) by Bruce Coville, Elizabeth Levy, Paula Danziger (Age 7 - 11)  Amelia Bedelia (Young Amelia Chapter Books) by Herman Parish (Age 6 - 10)  Amelia Bedelia I Can Read Level 2 by Peggy Parish, Herman Parish (Age 4 - 9)  American Girl Addy Short Stories by Connie Porter (Age 7 - 12)  American Girl Felicity by Valerie Tripp (Age 8 - 12)  American Girl Felicity Short Stories by Valerie Tripp (Age 7 - 12)  American Girl Innerstar University by Erin Falligant, Laurie Calkhoven, Catherine Stine, et al. (Age 8 - 12)  American Girl Josefina by Valerie Tripp (Age 8 - 12)  American Girl Josefina Short Stories by Valerie Tripp (Age 7 - 12)  American Girl Kirsten Short Stories by Janet Shaw (Age 7 - 12)  American Girl Mini Mysteries by Rick Walton (Age 8 - 12)  American Girl Molly by Valerie Tripp (Age 8 - 12)  American Girl Molly Short Stories by Valerie Tripp (Age 7 - 12)  American Girl Samantha by Susan S. Adler, Maxine Rose Schur, Valerie Tripp (Age 8 - 12)  American Girl Samantha Short Stories by Valerie Tripp, Sarah Masters Buckey (Age 7 - 12)  American Girl Today by Amy Goldman Koss, Chryssa Atkinson, Gary Soto (Age 8 - 12)  Anastasia Krupnik by Lois Lowry (Age 9 - 12)  Andrew Lost by J. C. Greenburg (Age 6 - 10)  Andy Russell by David A. Adler (Age 7 - 11)  Animorphs Alternamorphs by K. A. Applegate (Age 8 - 13)  Animorphs Megamorphs by K. A. Applegate (Age 8 - 13)  Artemis Fowl by Eoin Colfer (Age 9 and up)  Artemis Fowl Graphic Novels by Eoin Colfer, Andrew Donkin (Age 9 and up)  Arthur Chapter Books by Marc Brown, Stephen Krensky, Sheilarae Carpentier Lau, et al. (Age 6 - 11)  Arthur Good Sports Chapter Books by Marc Brown, Stephen Krensky (Age 6 - 11)  Athlete Biographies by David A. Adler (Age 5 - 9)  Bailey City Monsters by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Bailey City Monsters Super Special by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Bailey School Kids by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Bailey School Kids Holiday Special by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Bailey School Kids Super Special by Debbie Dadey, Marcia Thornton Jones (Age 7 - 10)  Ballpark Mysteries by David A. Kelly (Age 6 - 9)  Band Geeks by Amy Cobb (Age 8 - 12)  Baseball Card Adventures by Dan Gutman (Age 8 - 13)  Berenstain Bear Scouts by Stan Berenstain, Jan Berenstain (Age 7 - 11)  Berenstain Bears Beginner Books by Stan Berenstain, Jan Berenstain (Age 3 - 9)  Berenstain Bears Big Chapter Books by Stan Berenstain, Jan Berenstain (Age 6 - 12)  Berenstain Bears Step into Reading Step 4 by Stan Berenstain, Jan Berenstain (Age 6 - 9)  Beyond the Spiderwick Chronicles by Holly Black, Tony DiTerlizzi (Age 7 and up)  Big Nate Activity Books by Lincoln Peirce (Age 8 - 12)  Big Nate Comic Collections by Lincoln Peirce (Age 8 - 12)  Big Nate Comix by Lincoln Peirce (Age 8 - 12)  Big Nate Novels by Lincoln Peirce (Age 8 - 12)  Bionicle Graphic Novels by Greg Farshtey (Age 8 - 12)  Black Lagoon Adventures by Mike Thaler (Age 7 - 10)  Blast to the Past by Stacia Deutsch, Rhody Cohon (Age 7 - 10)  Boxcar Children Mysteries by Gertrude Chandler Warner, Gertrude Chandler Warner, Patricia MacLachlan (Age 6 - 11)  Boxcar Children Specials by Gertrude Chandler Warner (Age 6 - 11)  Brian Floca's Picture Books of Vehicles by Brian Floca (Age 2 - 10)  Brixton Brothers by Mac Barnett (Age 8 - 12)  Calendar Mysteries by Ron Roy (Age 6 - 9)  Cam Jansen Mysteries by David A. Adler (Age 7 - 11)  Candy Fairies by Helen Perelman (Age 7 - 10)  Candy Fairies Specials by Helen Perelman (Age 7 - 10)  Capital Mysteries by Ron Roy (Age 6 - 10)  Captain Underpants by Dav Pilkey (Age 7 - 12)  Charlie Bone by Jenny Nimmo (Age 8 - 12)  Chet Gecko Mystery by Bruce Hale (Age 8 - 12)  Children of the Red King by Jenny Nimmo (Age 8 - 12)  Chronicles of Narnia by C. S. Lewis (Age 6 - 12)  Clementine by Sara Pennypacker (Age 7 - 10)  Cobble Street Cousins by Cynthia Rylant (Age 7 - 10)  Comic Guy by Timothy Roland (Age 7 - 11)  Creepella von Cacklefur by Geronimo Stilton (Age 7 - 10)  Cupcake Diaries by Coco Simon (Age 8 - 12)  Dear America by Kathryn Lasky, Kristiana Gregory, Barry Denenberg, et al. (Age 8 - 13)  Dear Dumb Diary by Jim Benton (Age 8 - 12)  Deep Dive by Adam Blade (Age 7 - 11)  Dimwood Forest Chronicles by Avi (Age 8 - 12)  Dinosaur Cove by Rex Stone (Age 5 - 10)  Dinosaur Cove Cretaceous Adventures by Rex Stone (Age 5 - 10)  Disney Fairies Chapter Books by Kiki Thorpe, Laura Driscoll, Kirsten Larsen, et al. (Age 6 - 10)  Disney Fairies Chapter Books Based on Movies by Stacia Deutsch (Age 8 - 12)  Disney Fairies Fairy Dust Trilogy by Gail Carson Levine (Age 6 - 10)  Dixie Morris Animal Adventures by Gilbert Morris (Age 7 - 12)  Dork Diaries by Rachel Renee Russell (Age 9 - 13)  Down Girl and Sit by Lucy A. Nolan (Age 6 - 9)  Dr. Seuss Classics and More by Dr. Seuss, Tish Rabe, Jack Prelutsky (Age 3 and up)  Dragon Slayers' Academy by Kate McMullan (Age 7 - 10)  Dragonborn by Toby Forward (Age 8 - 13)  Dragonbreath by Ursula Vernon (Age 7 - 12)  E.B. White Classics by E. B. White (Age 8 - 12)  Fancy Nancy Chapter Books by Jane O'Connor, Jane O'Connor (Age 6 - 10)  Flat Stanley by Jeff Brown (Age 6 - 10)  Flat Stanley's Worldwide Adventures by Sara Pennypacker, Jeff Brown, Josh Greenhut, et al. (Age 6 - 10)  Flaxfield Quartet by Toby Forward (Age 8 - 13)  Frank and Joe Hardy: The Clues Brothers by Franklin W. Dixon (Age 6 - 10)  Fudge by Judy Blume (Age 7 - 12)  Funny Boy by Dan Gutman (Age 7 - 11)  Galactic Hot Dogs by Max Brallier (Age 8 - 12)  Game Face by Rich Wallace (Age 8 - 12)  Geronimo Stilton by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton and the Kingdom of Fantasy by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton Cavemice by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton Graphic Novels by Geronimo Stilton (Age 7 - 11)  Geronimo Stilton Journey Through Time by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton Micekings by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton Spacemice by Geronimo Stilton (Age 7 - 10)  Geronimo Stilton Special Edition by Geronimo Stilton (Age 7 - 10)  Ghosthunters by Cornelia Funke (Age 7 - 11)  Give Yourself Goosebumps by R. L. Stine (Age 7 - 12)  Goddess Girls by Joan Holub, Suzanne Williams (Age 8 - 12)  Goofballs by Tony Abbott (Age 7 - 9)  Gooney Bird Greene by Lois Lowry (Age 6 - 9)  Goosebumps Hall of Horrors by R. L. Stine (Age 8 - 12)  Goosebumps HorrorLand by R. L. Stine (Age 8 - 12)  Goosebumps Most Wanted by R. L. Stine (Age 8 - 12)  Goosebumps Most Wanted Special Edition by R. L. Stine (Age 8 - 12)  Goosebumps Original Series by R. L. Stine (Age 8 - 12)  Goosebumps Presents TV Books by R. L. Stine, Megan Stine, Carol Ellis, et al. (Age 7 - 12)  Hamster Princess by Ursula Vernon (Age 8 - 12)  Hank Zipzer by Henry Winkler, Lin Oliver (Age 7 - 12)  Hank Zipzer: The Mostly True Confessions of the World's Best Underachiever by Henry Winkler, Lin Oliver (Age 7 - 12)  Hardy Boys by Franklin W. Dixon (Age 8 - 12)  Hardy Boys are the Clues Brothers by Franklin W. Dixon (Age 6 - 10)  Hardy Boys Mystery Stories by Franklin W. Dixon (Age 8 - 12)  Hardy Boys Secret Files by Franklin W. Dixon (Age 7 - 10)  Hardy Boys Undercover Brothers by Franklin W. Dixon (Age 8 - 12)  Hardy Boys Undercover Brothers Super Mysteries by Franklin W. Dixon (Age 8 - 12)  Hardy Boys Undercover Brothers: The New Case Files by Gerry Conway (Age 8 - 12)  Haunting of Derek Stone by Tony Abbott (Age 9 - 13)  Heidi Heckelbeck by Wanda Coven (Age 5 - 9)  Here's Hank by Henry Winkler, Lin Oliver (Age 6 - 9)  Heroes of Olympus by Rick Riordan (Age 9 - 14)  Homework Machine by Dan Gutman (Age 8 - 12)  Houdini Club Magic Mysteries by David A. Adler (Age 7 - 11)  Humphrey's Tiny Tales by Betty G. Birney (Age 5 - 9)  I Survived by Lauren Tarshis (Age 7 - 10)  Infinity Ring by James Dashner, Carrie Ryan, Lisa McMann, et al. (Age 8 - 12)  Inkheart by Cornelia Funke (Age 9 - 12)  Ivy & Bean by Annie Barrows (Age 6 - 10)  J. J. Tully Mysteries by Doreen Cronin (Age 7 - 11)  Judy Moody by Megan McDonald (Age 6 - 11)  Judy Moody & Stink by Megan McDonald (Age 6 - 10)  Junie B. Jones by Barbara Park (Age 5 - 9)  Kane Chronicles by Rick Riordan (Age 9 - 15)  Katie Kazoo Switcheroo by Nancy Krulik (Age 7 - 10)  Keys to the Kingdom by Garth Nix (Age 8 - 15)  Kickers by Rich Wallace (Age 6 - 9)  Kitty Corner by Ellen Miles (Age 7 - 10)  Kylie Jean by Marci Peschke (Age 6 - 9)  LEGO Ninjago Chapter Books by Greg Farshtey, Tracey West, Kate Howard, et al. (Age 7 - 10)  LEGO Ninjago Graphic Novels by Greg Farshtey (Age 6 - 11)  Libby Mitchell Trilogy by Gloria Whelan (Age 6 - 10)  Lighthouse Family by Cynthia Rylant (Age 6 - 10)  Little House Chapter Books: Caroline by Maria D. Wilkes, Heather Henson (Age 7 - 10)  Little House Chapter Books: Laura by Laura Ingalls Wilder, Melissa Peterson, Heather Henson (Age 7 - 10)  Little House Chapter Books: Rose by Roger Lea MacBride, Heather Henson (Age 7 - 10)  Lunch Lady by Jarrett J. Krosoczka (Age 8 - 12)  Magic Half by Annie Barrows (Age 8 - 12)  Magic School Bus Chapter Books by Eva Moore, Ann Schreiber, Anne Capeci, et al. (Age 6 - 9)  Magic Shop by Bruce Coville (Age 8 - 12)  Magic Tree House by Mary Pope Osborne, Natalie Pope Boyce (Age 6 - 9)  Magic Tree House Fact Trackers by Will Osborne, Mary Pope Osborne, Natalie Pope Boyce (Age 6 - 10)  Magic Tree House Merlin Missions by Mary Pope Osborne (Age 7 - 10)  Magic Tree House Super Edition by Mary Pope Osborne (Age 7 - 10)  Marguerite Henry's Misty Inn by Kristin Earhart, Judy Katschke (Age 7 - 10)  Maximum Boy by Dan Greenburg (Age 6 - 11)  Meet the Author by Jean Fritz, Cynthia Rylant, Jane Yolen, et al. (Age 7 - 11)  Mercy Watson by Kate DiCamillo (Age 5 - 9)  Million Dollar by Dan Gutman (Age 8 - 12)  Miss Malarkey by Judy Finchler, Kevin O'Malley (Age 5 - 9)  Moongobble and Me by Bruce Coville (Age 5 - 10)  Mr. Putter & Tabby by Cynthia Rylant (Age 5 - 9)  Mrs. Hartwell's Class Adventures by Julie Danneberg (Age 5 - 9)  My Side of the Mountain by Jean Craighead George (Age 5 - 12)  My Sister the Vampire by Sienna Mercer (Age 8 - 12)  My Weird School by Dan Gutman (Age 6 - 10)  My Weird School Daze by Dan Gutman (Age 6 - 10)  My Weird School Specials by Dan Gutman (Age 6 - 10)  My Weirder School by Dan Gutman (Age 6 - 10)  My Weirdest School by Dan Gutman (Age 6 - 10)  Myth-O-Mania by Kate McMullan (Age 9 - 13)  Nancy Clancy Chapter Books by Jane O'Connor, Jane O'Connor (Age 6 - 10)  Nancy Drew and the Clue Crew by Carolyn Keene (Age 6 - 9)  Nancy Drew Girl Detective by Carolyn Keene (Age 8 - 12)  Nancy Drew Mystery Stories by Carolyn Keene (Age 8 - 14)  Nancy Drew Notebooks by Carolyn Keene (Age 6 - 9)  Nate the Great by Marjorie Weinman Sharmat, Craig Sharmat, Rosalind Weinman, et al. (Age 6 - 9)  Nathan Abercrombie, Accidental Zombie by David Lubar (Age 8 - 12)  Never Girls by Kiki Thorpe, Andrea Posner-Sanchez, Kristen L. Depken (Age 6 - 10)  Never Girls Special Edition by Kiki Thorpe (Age 6 - 10)  Nightmare Room by R. L. Stine (Age 9 - 14)  Nightmare Room Thrillogy by R. L. Stine (Age 9 - 14)  Old Turtle by Douglas Wood, Joseph M. Martin, Douglas Wood (Age 5 and up)  Olivia Sharp, Agent for Secrets by Marjorie Weinman Sharmat, Mitchell Sharmat (Age 6 - 9)  Olivia Sharp, Nate the Great's Cousin by Marjorie Weinman Sharmat, Mitchell Sharmat (Age 6 - 9)  On the Run by Gordon Korman (Age 9 - 12)  Percy Jackson & the Olympians by Rick Riordan (Age 9 - 12)  Pet Trouble by Tui T. Sutherland (Age 8 - 14)  Picture Book Biographies by David A. Adler, Michael S. Adler (Age 5 - 9)  Pokemon Chapter Books by Tracey West, Howard Derwin, Sheila Sweeny, et al. (Age 7 - 10)  Poppy Stories by Avi (Age 8 - 12)  Postcards from Buster Passport to Reading Level 1 by Marc Brown (Age 6 - 9)  Postcards from Buster Passport to Reading Level 2 by Marc Brown (Age 6 - 9)  Postcards from Buster Passport to Reading Level 3 by Marc Brown (Age 6 - 9)  Punished by David Lubar (Age 8 - 13)  Puppy Place by Ellen Miles (Age 7 - 10)  Rachel Yoder by Wanda Brunstetter (Age 8 - 12)  Rainbow Magic Special Edition by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Fairy Tale Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Fashion Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Jewel Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Magical Animal Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Music Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Ocean Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Party Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Pet Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Petal Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Sugar & Spice Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Superstar Fairies by Daisy Meadows (Age 6 - 10)  Rainbow Magic: The Weather Fairies by Daisy Meadows (Age 6 - 10)  Red Rock Mysteries by Jerry B. Jenkins, Chris Fabry (Age 8 - 12)  Redwall Illustrated Storybooks by Brian Jacques (Age 5 - 14)  Ricky Ricotta's Giant Robot by Dav Pilkey (Age 5 - 10)  Ricky Ricotta's Mighty Robot by Dav Pilkey (Age 5 - 10)  Roald Dahl Classics by Roald Dahl (Age 7 and up)  Roald Dahl Short Stories by Roald Dahl (Age 5 - 17)  Roscoe Riley Rules by Katherine Applegate (Age 5 - 10)  Sammy Keyes by Wendelin Van Draanen (Age 9 - 13)  Sarah, Plain and Tall by Patricia MacLachlan (Age 8 - 12)  Sea Quest by Adam Blade (Age 7 - 11)  Secrets of Droon by Tony Abbott (Age 7 - 10)  Secrets of Droon Special Edition by Tony Abbott (Age 7 - 10)  Seekers: Return to the Wild by Erin Hunter (Age 8 - 13)  Seven Wonders by Peter Lerangis (Age 8 - 12)  Sew Zoey by Chloe Taylor (Age 8 - 12)  Sisters Club by Megan McDonald (Age 8 - 12)  Sophie by Dick King-Smith (Age 5 - 10)  Space Brat by Bruce Coville (Age 6 - 11)  Spiderwick Chronicles by Holly Black, Tony DiTerlizzi (Age 7 and up)  Star Wars: Jedi Apprentice by Dave Wolverton, Jude Watson (Age 8 - 12)  Star Wars: The Clone Wars DK Readers Level 3 by Heather Scott, Clare Hibbert, Simon Beecroft (Age 7 - 9)  Star Wars: The Last of the Jedi by Jude Watson (Age 9 - 12)  Starlight Animal Rescue by Dandi Daley Mackall (Age 8 - 13)  Starvation Lake by Gloria Whelan (Age 6 - 10)  Stella Batts by Courtney Sheinmel (Age 6 - 9)  Stink by Megan McDonald (Age 5 - 9)  Stranded: Shadow Island by Jeff Probst, Chris Tebbetts (Age 8 - 13)  Stuart by Sara Pennypacker (Age 6 - 10)  Tales from Deckawoo Drive by Kate DiCamillo (Age 5 - 9)  Tales from Dimwood Forest by Avi (Age 8 - 12)  Tales to Give Yourself Goosebumps by R. L. Stine (Age 8 - 12)  Terrible Two by Mac Barnett, Jory John (Age 8 - 12)  Thea Stilton by Thea Stilton (Age 7 - 10)  Thea Stilton Special Edition by Thea Stilton (Age 7 - 10)  Titanic by Gordon Korman (Age 8 - 12)  Underworlds by Tony Abbott (Age 7 - 10)  Vet Volunteers by Laurie Halse Anderson (Age 8 - 12)  Warriors Manga: Graystripe's Adventure by Erin Hunter, Dan Jolley (Age 8 - 12)  Warriors: A Vision of Shadows by Erin Hunter (Age 8 - 14)  Warriors: Dawn of the Clans by Erin Hunter (Age 8 - 14)  Warriors: Omen of the Stars by Erin Hunter (Age 8 - 14)  Wayside School by Louis Sachar (Age 8 - 14)  Weenies Stories by David Lubar (Age 9 - 12)  Weird Planet by Dan Greenburg (Age 6 - 11)  Whatever After by Sarah Mlynowski (Age 8 - 12)  Who Was...? by Jess Brallier, Stephanie Spinner, Dennis Brindell Fradin, et al. (Age 8 - 12)  Wild at Heart by Laurie Halse Anderson (Age 8 - 12)  Winnie the Horse Gentler by Dandi Daley Mackall (Age 8 - 12)  Young Amelia Bedelia Chapter Books by Herman Parish (Age 6 - 10)  Young Merlin Trilogy by Jane Yolen (Age 8 - 12)  Zack Files by Dan Greenburg (Age 6 - 11) 
Please note that reading level search results reflect our best estimate of the reading level range for each series based on the information we have available. To check or confirm the actual reading level for a specific book, specific book within a series as measured by one of the companies that perform these assessments, please go to the respective company's website as explained here: https://www.kidsbookseries.com/help/readinglevels.php.
We are in the process of adding more series to our database. Please check back again soon when we may have more series on this list for you.
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