James Henke Books

The Rock Pack

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In celebration of the thirtieth anniversary of the Summer of Love, the Rock and Roll Hall of Fame and Museum has launched a major exhibition examining how rock & roll came of age in the late Sixtie...

I Want to Take You Higher The Psychedelic Era

By Barry Miles, Charles Perry

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Friendly BASIC for the APPLE II, APPLE II Plus, APPLE IIe, and APPLE IIc

By Jean Rice

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Human rights now!

By James Henke

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Rock and Roll Hall of Fame Lennon His Life and Work

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Rock Pack

By Jim Henke

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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.