Jonny-Duddle Books

Werewolf Versus Dragon

By David Sinden, Jonny-Duddle, David Sinden, Matthew Morgan, Guy Macdonald

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Ulf is an orphaned werewolf who has lived all his life at Farraway Hall, the home of the RSPCB (Royal Society For the Prevention of Cruelty to Beasts) and a sanctuary for rare and endangered beasts...

Werewolf Versus Dragon

By Matthew Morgan, David Sinden, Jonny-Duddle, Guy Macdonald, David Sinden, Matthew Morgan, Guy Macdonald

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Gurmorosaurus

By Jonny-Duddle

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Roi De L'Espace

By Jonny-Duddle

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Will Gallows And The Rock Demon'S Blood

By Jonny-Duddle, Derek Keilty

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309 pages (large print) : 22 cm Sky cowboy, Will Gallows, is finding life hard on the ranch. Should he follow his heart and join the elf side of his family, learning their magical secrets? Or shoul...

Some Dinosaurs Are Small

By Charlotte Voake, Jonny-Duddle, Molly Schaar Idle, Charlotte Voake; Illustrated By Charlotte Voake

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The concept of size is relative — and takes on prehistoric proportions — in a funny and reassuring tale from a maven of children’s books.Some dinosaurs are small and slow. They take their time in t...

Gigantosaurus: Don’T Cave In

By Cyber Group Studios, Jonny-Duddle, Cyber Group Studios; Illustrated By Cyber Group Studios

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Who's afraid of a dark and scary cave?Don't go into the cave! A Shriekosaurus, the dinosaur that Rocky, Tiny, Mazu, and Bill are afraid of (even though no one has actually seen it) lives there. Tha...

Emerald Casket (The Archer Legacy)

By Jonny-Duddle, Richard Newsome

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It's only been a month since Gerald Wilkins became the richest kid on earth and uncovered a plot of murder and deception stretching back hundreds of years. But the events of The Billionaire's Curs...

Gigantosaurus: Dino Spot By Jonny Duddle

By Jonny-Duddle

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"I'm a DINOSAUR EXPERT! I really am the BEST! You might know the names of some, But I know ALL the rest." Deep in the prehistoric past, four little dinosaurs are playing a game called DINO-SPOT. Ca...

Pirates Of Scurvy Sands

By Jonny-Duddle

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This Summer, Matilda Is Going On Holiday With Her Friends, The Jolley-rogers. Their Destination Is The Island Of Scurvy Sands - A Favourite Holiday Destination For Pirates. When Matilda Arrives, Th...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.