The laughter never ends with this roaring, stomping, dino-packed new title in the award-winning, bestselling Oi Frog and Friends series by Kes Gray and Jim Field. Join Frog, Cat, and Dog for oodles of prehistoric rhyming fun packed with dinosaurs, mammoths, and prehistoric frogs!

This hilarious picture book features brilliant rhyming text that makes it enjoyable to discover again and again, whether you are a child or an adult. Readers will love the hilarious combinations as Frog discovers that in dinosaur times, sitting down hadn't been invented!

• Part of the bestselling Oi Frog and Friends series, with over 3 million copies sold across the series.
• Features hilarious prehistoric rhyming fun involving dinosaurs and mammoths.
• Brilliant rhyming text makes the book enjoyable for repeated readings.
• From author Kes Gray and illustrator Jim Field.
• The Oi Frog series has been shortlisted for numerous awards; Oi Dog! won the 2017 Laugh-Out-Loud Picture Book Award.

• Author: Kes Gray
• Illustrator: Jim Field
• Binding: Paperback
• Language: English
• Print Length: 32 pages
• Reading Age: 3 - 6 years
• Dimensions: 242 x 6 x 242mm
• Weight: 178g
• ISBN-10: 1444971824
• ISBN-13: 978-1444971828
• Series: Oi Frog and Friends
• Publisher: Hodder Children's Books
• Release Date: June 5, 2025

This hilarious new rhyming story is the perfect picture book to share together and is guaranteed to get little dinosaur-fans giggling. Look out for other titles in the series including Oi Dog, Oi Cat, Oi Duck-billed Platypus, Oi Aardvark, and Oi Puppies!