Jack C. Richards Books

Textbook for studying English as a foreign language providing activities and exercises to develop the skills of listening, speaking, reading, and writing.

Interchange 1 Teacher s manual

By Susan Proctor, Jack C. Richards, Jonathan Hull

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Interchange 1 Workbook: English for International Communication

By Jack C. Richards, Susan Proctor, Jonathan Hull, J. C. Richards

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Interchange 2 Class cassette set 2 cassettes English for International Communication Interchange

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Interchange 3 Class Audio Cassette Set (2 Cassettes): English for International Communication: Class Cassette Set Level 3

By Jack C. Richards, Susan Proctor, Jonathan Hull

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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.