Qichang Dong Books

Hua shan shi sui bi xiao zhu

By Qichang Dong

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"画禅室随笔"为明代著名画家董其昌鉴赏书画之作及阐述自己书画理论的小品结集,分为四卷,此次校注,以康熙十七年汪汝禄引刊本为底本.

Dong Xiangguang song Zhang Sheng shi

By Qichang Dong

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Dong Qichang shu fa xuan Zhongguo li dai shu fa ming zuo xi lie cong shu

By Qichang Dong

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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.