Andrew Grey Books

Welcome to the Hundred Acre Wood

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"Take a stroll through the Hundred Acre Wood to visit Winnie-the-Pooh and his friends, Tigger, Eeyore, Christopher Robin, and more!"--Page 4 of cover.

Bedtime stories from Winnie the Pooh

By Andrew Grey

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Piglet does a very grand thing

By A. A. Milne, Andrew Grey, Ernest H. Shepard

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Piglet meets a heffalump

By A. A. Milne, Andrew Grey, Ernest H. Shepard

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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.