Raymond Tallis Books

"The ability of the human index finger to point is truly unique in the animal world. In Michaelangelo's Finger Raymond Tallis shows just how central this seemingly insignificant difference has been...

The black mirror

By Raymond Tallis

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Inspired by E.M. Forster's thought that 'Death destroys a man but the idea of it saves him', The Black Mirror takes death as an external viewpoint from which we may see our lives more clearly. Raym...

The black mirror

By Raymond Tallis

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Epilepsy in Elderly People

By Raymond Tallis

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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.