David Weinstone Books

All my friends are fast asleep

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Unable to fall asleep, a little boy journeys from cave to sea to mountain peak, trying unsuccessfully to imitate the sleeping habits of his animal friends, until he finds the perfect place to lay h...

Music class today

By David Weinstone

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A group of toddlers enjoys a lively music class including, at last, one very shy two-year-old boy.

Music for Aardvarks and Other Mamals Song and Coloring Book

By David Weinstone

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Els meus amics ja s han adormit

By Magali Le Huche, David Weinstone, Muntsa Fernandez

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Mis amigos se han dormido

By Magali Le Huche, David Weinstone, Adolfo Munoz Garcia

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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.