Rex Dinosaur in Disguise

Jurassic Baby

By: Elys Dolan

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Paperback | 30 March 2026

At a Glance

Format
Paperback

Age
7 - 9

Dimensions(cm)
19.9 x 12.9 x 1.4

Paperback

RRP $15.99

$15.75

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Rex has to hide a suspicious new dinosaur from creature-hating baddies in his fourth adventure. The final book in the laugh out loud series from a Lollies Prize winning author-illustrator, perfect for fans of Bunny vs Monkey and Dogman.

Rex has a great gang of friends, from nine-year-old investigator Sandra, his best human pal; to Bigfoot, a jazz-loving yeti in disguise. But just occasionally, he does miss being around other dinosaurs. So when a new one appears on the scene, causing total chaos, Rex can't wait to welcome her and show her how to blend in.

But there's something a bit ... strange about this new dinosaur. She can't understand anything Rex says. She doesn't listen to anyone. And she's very grumpy.

Meanwhile, the evil Mr Beaumont (Sandra's ex-best friend Maddie's dad) and his BUMCRAC brigade of creature-haters want to rid the place of ALL dinosaurs. This time, they have a plan. Can Rex stop an all-out battle breaking out in the city he's made his home in?

Highly illustrated throughout and laugh-out loud hilarious, this is perfect for fans of Dogman, Bunny vs Monkey and InvestiGators.

About the Author

Elys Dolan makes picture-books about everything from seagull detectives to capitalist bunny rabbits and weasels plotting world domination.

She was shortlisted for the Waterstones Children's Book Prize for Weasels and the Branford Boase for Knighthood for Beginners, and won the inaugural STEAM Children's Book Prize for How the Borks Became and the prestigious Lollies Prize for Mr Bunny's Chocolate Factory. Museum Mystery is the third book in Elys' series about Rex, Dinosaur in Disguise. She is also a lecturer on the MA in Children’s Book Illustration at the Cambridge School of Art. Elys lives in Cambridge.

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