Wang Chunyu Books

Piao bo gu jin tian di jian Shuo wen tan shi cong shu

By Wang Chunyu

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Ming chao huan guan Zi jin cheng cong shu

By Wang Chunyu

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Wang Chunyu shuo Ming shi

By Wang Chunyu

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回眸大明王朝, 明朝政治, 有元末农民大起义燃烧着大地, 有从南京到北京, 紫禁城的日出日落, 有皇帝的神化与剥皮, 有"桃花扇底看南朝"; 明朝经济, 从"开门七件事"到"三百六十行", 文人下"海"一瞥, 绿亭朱栏知多少.

Niu wu za zu Dang dai ming jia za wen xi lie

By Wang Chunyu

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Ming Qing shi san lun

By Zhanbiao Chen, Wang Chunyu

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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.