Sombat Phlainoi Books

Historical and political events of Thailand during Phra Nakhon Si Ayutthaya period with special reference to Prasāt Thō̜ng, King of Ayutthaya, d. 1655.

Rotfai Thai

By Sombat Phlainoi

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History and development of railroads in Thailand.

Samnakphim samai raek

By Sombat Phlainoi

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History of publishers and publishing in Thailand.

Kraya Niyai

By Sombat Phlainoi, Sombat

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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.