Dahuang Zhou Books

Flying Paintings: The Zhou Brothers: A Story of Revolution and Art

By Amy Alznauer Illustrated By ShanZuo Zhou, DaHuang Zhou

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The epic story of two Chinese brothers who became art-world legends, illustrated with stunning paintings by the artists themselvesFirst there was one Zhou brother, and then there were two. They liv...

Fan San guo zhi

By Dahuang Zhou

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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.