Jennifer Hayes Books

Face to Face with Sharks

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Stunning shark photography accompanies fun facts and tales of high adventure from National Geographic explorers and photographers in this beautiful book about sharks, now available in paperback.Nat...

Bound by Memphis

By Jennifer J. Hayes

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Face aux Requins French Edition

By JENNIFER HAYES DAVID DOUBILET

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Face to Face with Sharks: Level 5

By Jennifer Hayes, David Doubilet

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Face to face with sharks

By David Doubilet

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Fantastic Patterns

By Jennifer Hayes

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Face to Face with Sharks

By Jennifer Hayes, David Doubliet

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Collection of Writings by Brenda Kay Porter Hayes

By Matthew Hayes, Jennifer Hayes, Michael Hayes, Kristin Hayes, Charles Hayes

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Extraordinary Imagination of Jenny Figment

By Ramona Pepegna Bianchini, Jennifer Hayes

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Chemical Signals

By Jennifer Hayes, J. C. Rivers, Cia Lindgren

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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.