Jean Pierre Petit Books

Emily Bronte
Emily Bronte

By Petit Jean Pierre

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IP Telephony
Beyond VoIP Protocols
Adventures of Archibald Higgins The Adventures of Archibald Higgins
Adventures of Archibald Higgins The Adventures of Archibald Higgins
Adventures of Archibald Higgins The Adventures of Archibald Higgins
L' ile fortunee
L' ile fortunee

By Petit Jean Pierre

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Computer magic
Computer magic

By Jean Pierre Petit

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The curious Archibald Higgins falls into a computer after keying a forbidden word and learns how a computer works "from the inside."

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Everything is relative
Everything is relative

By Jean Pierre Petit

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The curious Archibald Higgins investigates the theory of relativity.

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The black hole
The black hole

By Jean Pierre Petit

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In his latest adventure, Archibald Higgins investigates concepts of space and time.

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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.

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