John Feffer Books

Power Trip

By Edited By John Feffer Preface By Barbarba Ehrenreich

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A concise dissection of the new U.S. unilateralism, Power Trip is the first book-length critique of this fundamental shift in U.S. foreign policy to consolidate and extend U.S. global control. Char...

North Korea South Korea

By John Feffer

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The Korean peninsula, divided for more than fifty years, is stuck in a time warp. Millions of troops face one another along the Demilitarized Zone separating communist North Korea and capitalist So...

Frostlands

By John Feffer

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Splinterlands

By John Feffer

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Part Field Notes from a Catastrophe, part 1984, part World War Z, John Feffer's striking new dystopian novel takes us deep into the battered, shattered world of 2050. The European Union has broken...

Splinterlands Dispatch Books

By John Feffer

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Living In Hope

By John Feffer

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Living in Hope

By John Feffer

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Beyond Detente

By John Feffer

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SHOCK WAVES

By John Feffer

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SHOCK WAVES

By John Feffer

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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.