Book 1

Hamstersaurus Rex

by Tom O'Donnell

Published 4 October 2016

BEWARE: Rampaging Mutant Dino-Hamster! Fans of My Big Fat Zombie Goldfish and The Terrible Two will be scrambling to get their hands on this hilarious classroom comedy.

When a mysterious growling hamster appears at the back of his class, Sam knows just what to call him: Hamstersaurus Rex. Sam tries to protect Hammie from an overzealous Hamster Monitor, and from the meanest bully in the history of Horace Hotwater Middle School. The bully isn’t afraid of some weird little class pet. But maybe he should be. Hamstersaurus Rex is no ordinary hamster.


Book 2

Sam and Hammie Rex discover a terrifying giant squirrel hiding in the woods behind Horace Hotwater Middle School. But nobody else believes Squirrel Kong is real.

Book 3

This hilarious classroom comedy series is perfect for fans of Dog Man and Stick Dog!

Mysterious hauntings are causing major trouble at Horace Hotwater Middle School. Sam Gibbs and his super-strong tiny buddy, Hammie Rex, keep encountering creepy abnormal objects, including a floating sports jersey and a runaway go-kart.

While Sam doesn't believe in ghosts, he has to admit the hauntings are getting weirder...and more dangerous. Could bizarre mutant animals be the cause? At Horace Hotwater, they often are!

Beware of furry ducks, slippery baked potato toppings, masked ninjas, and more in this laugh-out-loud mystery starring the world's coolest class pet.


Book 4

The fourth and final book in this hilarious classroom comedy series that's perfect for fans of Dog Man and Stick Dog!

Things are calm at last in Maple Bluffs.

The evil manufacturer SmilesCorp is out of business, Hammie Rex is a new dad to three tiny mutant offspring (Stompy, Chompy, and Hatshepsut), and Sam Gibbs feels that he can resume normal life. But soon enough, things get weird.

When Sam visits a toy store to buy Beefer a bar mitzvah gift, one of the toys comes alive and attacks Hammie and the babies! Who could be behind this latest diabolical scheme

Funny, highly illustrated, and fast-moving, the Hamerstersaurus Rex series is a natural for even reluctant readers.