Jan Yager Books

The help book
The help book

By Jan Yager

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Single in America
Single in America

By Jan Yager, J. L. Barkas

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The vegetable passion
The vegetable passion

By J. L. Barkas

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Vegetable passion
Vegetable passion

By Jan Yager

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Creative time management for the new millennium
When friendship hurts
When friendship hurts

By Jan Yager

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We've all had friendships that have gone bad. Whether it takes the form of a simple yet inexplicable estrangement or a devastating betrayal, a failed friendship can make your life miserable, threat...

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Meatless cooking, celebrity style
The Encyclopedia of Sleep and Sleep Disorders
Film Industry
Film Industry

By Yager Fred Yager Jan

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Career opportunities in the film industry

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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.

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