Mark McCrum Books

Robbie Williams: Somebody Someday

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This lighthearted and informative guide offers everything from first meeting to last rites. Subjects covered include the opening contact between strangers; greetings, gestures, handshakes, and gett...

Fest

By Mark McCrum

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At the start of the Mold-on-Wold literary festival, eminent critic Bryce Peabody is found dead in his hotel bed. Natural causes - or something more sinister, involving one of the writers he has ins...

Walking with the wounded

By Mark McCrum

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In April 2011, four soldiers - each a veteran of recent conflicts whod suffered injuries in the line of duty - set out on a 200-mile trek, unsupported, to the North Pole. In this book each of these...

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.