Graham Percy Books

Max and the very rare bird

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Although he forgets to stay with his grandparents and his sister Meg on their trip to see a rare bird, Max the elephant remembers why they came.

Elephants never forget addresses

By Graham Percy

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Elephants never forget birthdays

By Graham Percy

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Lullabies

By Miniature Book Collection Library Of Congress

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36 strange little animals waiting to eat, with simple little recipes to make

By Graham Percy

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Unusual animals such as the Honey-Toed Sprowt and the Plum-Tummied Chump provide recipes for their favorite dishes.

Max and the orange door

By Graham Percy

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An accident with orange paint helps Max, Meg, Grandma, and Grandpa to have a vacation.

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.