David Atack Books

The Time Travelling Cat

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Topher's cat, Ka, is not always who she seems to be. Sometimes she disappears for days and all that Ka has left by his bedside is a little stone carving of a cat. One days Ka leaves a clue on Tophe...

Test For The Time-Travelling Cat

By Julia Jarman, David Atack

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Ka, the time-traveling cat, has gone back to Tudor England and Topher needs Doctor Dee to help find her. But Doctor Dee is busy searching for something far more important--The Philosopher's Stone.

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.