Jennifer Marks Books

Buggies Para Arena Dune Buggies Caballos De Fuerza Horsepower

By Jennifer Marks

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School times

By Jenny Marks

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"Simple text invites the reader to find items hidden in school-themed photographs"--Provided by publisher.

Christmas fun

By Jenny Marks, Jennifer Marks

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"Simple text invites the reader to find items hidden in Christmas-themed photographs"--Provided by publisher.

Mean machines a spot it challenge

By Jennifer Marks

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"Simple text invites the reader to find items hidden in vehicle-themed photographs"--Provided by publisher.

Parents

By Jennifer Marks

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"In simple text and photos, presents parents and activities they do"--Provided by publisher.

Aries Leo and Sagittarius

By Jennifer Marks

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"Provides information about the fire signs of the zodiac"--Provided by publisher.

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.