Karen Hughes Books

GCSE Mathematics Edexcel 2010: Spec B Higher Teacher Book

By Michael Flowers, Kevin Tanner, Julie Bolter, Rob Summerson, Karen Hughes, Joe Petran, Rob Pepper, Gareth Cole

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Ten Minutes from Normal

By Karen Hughes

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A New York Times bestseller from President George W. Bush’s “most essential advisor” (ABC News).   An inside look at the life of Bush’s most respected aide and confidan...

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.