Rachel Vail Books

Friendship Ring 1. Wenn du nur wusstest.

By Rachel Vail

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Mama Rex and T have homework trouble

By Rachel Vail

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The horrible play date

By Rachel Vail

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T Rex and his best friend, Walter, have been looking forward to their play date, but when they get too rambunctious and everything is going wrong, Mama knows how to make things right.

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.