Source: https://www.kidsbookseries.com/search?age=3&rl=4

Book series for 3-year-olds at reading level: 4th grade (list current as of Dec 15, 2025)

  Berenstain Bears First Time Books by Stan Berenstain, Jan Berenstain, Mike Berenstain (Age 3 - 8)
  Berenstain Bears Happy House Books by Stan Berenstain, Jan Berenstain (Age 3 - 8)
  Brian Floca's Picture Books of Vehicles by Brian Floca (Age 2 - 10)
  Curious George Original Adventures by H. A. Rey, Margret Rey (Age 3 - 8)
  Dora the Explorer by Sarah Willson, Leslie Valdes, Alison Inches, et al. (Age 3 - 6)
  Dr. Seuss Beginner Books by Dr. Seuss (Age 3 - 8)
  Dr. Seuss Board Books by Dr. Seuss, Dr. Seuss (Age 0 - 5)
  Dr. Seuss Classics and More by Dr. Seuss, Tish Rabe, Jack Prelutsky (Age 3 and up)
  Goodnight, Goodnight Construction Site by Sherri Duskey Rinker (Age 2 - 6)
  Knuffle Bunny by Mo Willems (Age 3 - 8)
  Little Whistle by Cynthia Rylant (Age 3 - 7)
  Madeline by Ludwig Bemelmans, John Bemelmans Marciano (Age 3 - 8)
  My First Little House Picture Books by Laura Ingalls Wilder (Age 3 - 8)
  Pinkalicious 8x8 Picture Books by Victoria Kann (Age 3 - 7)
  Roald Dahl Collections of Short Stories Told in Rhymes by Roald Dahl (Age 3 - 12)

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.


Key for icons:
   = award winner or finalist
   = best-seller list
   = adapted into film or musical
   = adapted from television series
   = adapted into television series

Copyright © 2025 WebData Technology Corporation. For educational and personal use only.