Curt Gentry Books

Helter skelter

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Prosecuting Attorney in the Manson trial, Vincent Bugliosi held a unique insider's position in one of the most baffling and horrifying cases of the twentieth century: the cold-blooded Tate-LaBianca...

J. Edgar Hoover

By Curt Gentry

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Helter Skelter

By Curt Gentry, Vincent Bugliosi

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Helter Skelter

By Curt Gentry, Vincent Bugliosi

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Helter Skelter

By Curt Gentry, Vincent Bugliosi

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J. Edgar Hoover

By Curt Gentry

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Helter Skelter

By Curt Gentry, Vincent Bugliosi

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J. Edgar Hoover

By Curt Gentry

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Madams of San Francisco

By Curt Gentry

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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.