Jonathan Grupper Books

Destination

By Jonathan Grupper

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Destination

By Jonathan Grupper

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Islam, empire of faith

By Gardner Robert, Jonathan Grupper

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Documents the rise and growth of Islam throughout the world, from the birth of Prophet Muhammad in the 6th century through the peak of the Ottoman Empire 1000 years later. Discusses the impact of I...

Islam

By Gardner Robert, Jonathan Grupper

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Documents the rise and growth of Islam throughout the world, from the birth of Prophet Muhammad in the 6th century through the peak of the Ottoman Empire 1000 years later. Discusses the impact of...

National Geographic's last wild places

By Jonathan Grupper

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A cartoon globe named Spin takes the reader on a tour of the varied habitats of Africa pointing out the great diversity of animal life.

Destination

By Jonathan Grupper

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Destination

By Jonathan Grupper

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Describes the unique environment of and the varied animal and plant life found in the world's tropical rain forests.

Destination

By Jonathan Grupper

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Destination

By Jonathan Grupper

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Destination

By Jonathan Grupper

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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.