Book Series · 2 Books

Hamstersaurus Rex Books

In order from Hamstersaurus Rex to Hamstersaurus Rex vs. Squirrel Kong.

The Hamstersaurus Rex series is a set of 2 chapter books by Tom O'Donnell, published between 2016 and 2017. Written for ages 8–12, most books run about 300 pages.

Where the story begins

First Book in the Series

Sale price

$1248

Book #1 · Chapter Book · Ages 8–12 · 2016

Hamstersaurus Rex

By Tom O'Donnell, Tim Miller (Illustrator)

A mutant hamster causes chaos in school. Can Sam protect it?

272 pages· 34,888 words· Est. 5 hour read

$12.99Save 4%

Hardcover

Summary: Sam discovers a growling hamster in class, dubbing it Hamstersaurus Rex. As he tries to shield Hammie from a strict Hamster Monitor and the school's notorious bully, Sam realizes this is no ordinary pet. With chaos brewing, can Sam keep Hammie safe and uncover its true nature? Dive into this hilarious adventure where a mutant hamster turns the school upside down.

In reading order

Hamstersaurus Rex Series

2 books · Published 2016–2017

#1 in Series

Sale price

$1248

Hamstersaurus Rex

Chapter Book · Ages 8–12 · 2016

A mutant hamster causes chaos in school. Can Sam protect it?

Series

Sale price

$1299

Hamstersaurus Rex vs. Squirrel Kong

Chapter Book · Ages 8–12 · 2017

A giant squirrel threatens chaos. Can Sam save his hamster friend from blame?

Good to know

Common Questions

How many books are in the Hamstersaurus Rex series?

There are 2 books in the Hamstersaurus Rex series. It began with Hamstersaurus Rex in 2016, and the newest book, Hamstersaurus Rex vs. Squirrel Kong, was published in 2017.