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Thea Stilton Graphic Novel Series (graphic novel format)
Author: Thea Stilton
Number of Books in Series: 7 so far
Age Group: 7 - 11 years

Reading Level: AR Levels 2.8-3.4
GLE estimated 2.3-2.4
F&P/GRL estimated K-L
DRA estimated 22-24
Lexile® measure estimated 505L-530L
Companion/Related Series: list of all Geronimo Stilton series

Book 1 Summary: Geronimo isn't the only world-famous adventuring journalist from New Mouse City; introducing his fabulous sister, Thea!

The Thea Sisters are five fun, lively students at Ratford College on Whale Island, who want to be real, live journalists just like their hero, Thea Stilton. Between classes and friendships, love and small fits of jealousy, they're finding college life is really exciting! In "The Secret of Whale Island", it's the start of the new school year and the students have arrived at Ratford College. Every year at this time, the whales move off the coast of Whale Island, but this time, a savage killer whale threatens the peace.

Thea Stilton Graphic Novels Book List:

This series can be read in any order.

Publication Order

Book 1: The Secret of Whale Island
Ages 7-11. April 30, 2013.
AR: 2.8 (1.0 Point, Quiz #160191)

Book 2: Revenge of the Lizard Club
Ages 7-11. August 20, 2013.
AR: 3.0 (1.0 Point, Quiz #161686)

Book 3: The Treasure of the Viking Ship
Ages 7-11. April 22, 2014.
AR: 3.4 (1.0 Point, Quiz #165948)

Book 4: Catching the Giant Wave
Ages 7-11. September 30, 2014.
AR: 3.1 (1.0 Point, Quiz #169307)

Book 5: The Secret of the Waterfall in the Woods
Ages 7-11. February 9, 2016.

Book 6: The Thea Sisters and the Mystery at Sea
Ages 7-11. August 30, 2016.

Book 7: A Song for the Thea Sisters
Ages 7-11. March 21, 2017.

Book Sets: Sets of Up to 7 Books


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Page Last Updated: November 29, 2020

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