Astrid Jaekel Books

Love bites

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Grace is a vampire, but she's in love. In love with a gorgeous human, James. Her sister Tara says she has to leave James, or risk their secret being revealed. But Grace is sure James will understan...

Visions of Education

By Paul Brna, Astrid Jaekel, Jean Casey, Tom Conlon

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One Week in April

By Maggie Craig

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One Week in April

By Maggie Craig

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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.