The Philip Lief Group Books

1001 natural remedies

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Organized into four easy-to-reference sections, this guide is packed with 1001 recipes to treat common ailments, have more radiant skin, restore scuffed furniture, get rid of garden pests, deal wit...

Depression The New Integrative Approach

By Milton Hammerly, The Philip Lief Group

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101 Best Businesses to Start

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220 Best Franchises to Buy

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Today's economic climate, dominated by corporate giants and chains, can be a tough place for a new face, but buying a franchise is the best opportunity for a budding entrepreneur. 220 Best Franchis...

21st Century Guide to Building Your Vocabulary

By Princeton Language Institute, The Philip Lief Group

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Those who want to excel—in school or the workplace, in the world of business, government, education, or the sciences—must have outstanding communication skills.The Princeton Language Institute brin...

American Culinary Dictionary

By The Philip Lief Group

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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.