Sally Gardner Books

When sixteen-year-old AJ Flynn finds a mysterious key at his new job at a London law firm, he and his scrappy friends begin a series of journeys to 1830 where they discover a crime only they can so...

The door that led to where

By Sally Gardner

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Mr. Tiger Betsy and the Sea Dragon

By Sally Gardner, Nick Maland

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Book of Princesses

By Sally Gardner, Emma Chambers

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Book of Princesses

By Sally Gardner, Emma Chambers

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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.