Charles R. Thomas Books

This book is a comprehensive and definitive discussion of all aspects of the treatment of malignant tumors of the gallbladder and biliary tract. This is the first book to examine these cancers in s...

Living in God s Kingdom on Earth

By Charles R. Thomas

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Biliary Tract and Gallbladder Cancer

By Thomas Charles R. Jr., Clifton D. Fuller

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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.