Peter Harry Brown Books

Marilyn

By Peter Harry Brown, Peter H. Brown, Patte B. Barnham

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Howard Hughes: The Untold Story

By Peter Harry Brown, Pat H. Broeske, Peter H. Brown

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Down at the End of Lonely Street: The Life and Death of Elvis Presley

By Peter Harry Brown, Pat H. Broeske, Peter H. Brown

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Elvis Presley was the beloved hero of millions. The rock 'n'roll idol for generations. The most famous entertainer of the twentieth century. But what about Elvis Presley, the son, friend, lover, an...

Down at the End of Lonely Street

By Peter Harry Brown, Pat H. Broeske

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Outgunned

By Peter Harry Brown, Peter H. Brown, Daniel G. Abel

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"Ours is a nation in the grip of a strange kind of mania. Why after President Reagan was shot was there virtually no handgun legislation? Why after the Columbine massacre in Littleton, Colorado, wa...

Marilyn

By Peter Harry Brown, Patte Barham

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Down at the end of lonely street

By Peter Harry Brown

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Howard Hughes

By Peter Harry Brown, Pat H. Broeske

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Howard Hughes

By Peter Harry Brown, Pat H. Broeske

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Such devoted sisters

By Peter Harry Brown

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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.