Yunfeng Xue Books

Peng feng cha

By Yunfeng Xue

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Shandong Sheng li shi di tu ji

By Jingzhong Zhang, Yunfeng Xue

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本书通过大量的古地图,全面反映了山东省各时期州府建置,城垣,海疆,黄河河工,运河,州县水道,源泉,名胜古迹等.直观形象的对山东的历史进行了全景式展现,该书集融科学性,实用性,知识性于一体,是全面了解山东历史的重要资料.

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.