John Prados Books

Valley of Decision

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"The Ghosts of Langley is a provocative and panoramic new history of the Central Intelligence Agency that relates the agency's current predicament to its founding and earlier years, telling the sto...

Storm Over Leyte

By John Prados

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The Ghosts of Langley Lib E

By John Prados, Charles Constant

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US Special Forces

By John Prados

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The US Special Forces What Everyone Needs to Know

By John Prados

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Family Jewels

By John Prados

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Family Jewels

By John Prados

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Family Jewels

By John Prados

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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.