Harry Bloom Books

Electrochemistry

By Felix Gutmann

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Pirates magnified

By David Long

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Grab your magnifying glass and seek out history's most notorious pirates in this swashbuckling search-and-find adventure, packed with over 200 things to spot!

Egypt Magnified

By Harry Bloom, David Long

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Castles Magnified

By Harry Bloom, David Long

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Electrochemistry

By Harry Bloom Felix Gutmann

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Where s Mo

By Harry Bloom, Cywinski Sara

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Where s Father Christmas

By Sara Danielle, Harry Bloom, Danielle James

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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.