Robert Rhea Books

Authenticity of the Second Letter to the Thessalonians

By Robert Rhea, William Wrede

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Dow Theory Interpreting Professional Edition Chinese Edition

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Dao shi li lun

By Leiya

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Ben shu gong shi jiu zhang, Nei rong bao kuo:dao shi li lun de yan bian, Han mi er dun jiang shu de dao shi li lun, Dao shi li lun de san zhong yun dong, Ci ji diao zheng yun dong, Ri nei bo dong,...

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.