John Astrop Books

The Elemental Tarot

By John Astrop, Caroline Smith

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The Moon Oracle: Let the Phases of the Moon Guide Your Life

By John Astrop, Caroline Smith

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The Runic Tarot

By John Astrop, Caroline Smith

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The cleverteddy bear and other stories

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Brave Teddy Bear and Other Stories Teddy Bear Tales S

By Barbara Hayes

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A collection of spooky board games which can be played with counters and dice. Playing boards in the book, featuring illustrations of sharks, snakes, devils, and vampires, are life-size and ready f...

Frog And Dog Have A Party

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Frog Dog Go To The Moon

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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.