Tiangang Li Books

Da Qing di guo cheng shi yin xiang

By Tiangang Li

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Zeng bu Xu Guangqi nian pu

By Jiamian Liang, Tiangang Li

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Zhu Zaiyu ji

By Tiangang Li

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本书为古代科学家文集.朱载堉是明宗室郑藩世子,精音律,数学,是我国著名的科学家.著作颇丰.本书系首次汇集朱氏存世文献,按律书,历书,算书等类编整理,末附文献辑佚一卷.

Hong ding dai. bai he fu. xi fang jiao shi di yi ren

By Tiangang Li

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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.