Kremena Spengler Books

Israel

By Kremena Spengler

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Pyramids

By Kremena Spengler

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"Describes the pyramids of ancient Egypt, including how and why they were built"--Provided by publisher.

Mummies

By Kremena Spengler

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"Describes mummies in ancient Egypt, including how and why people were mummified"--Provided by publisher.

Hieroglyphs

By Kremena Spengler

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"Describes the ancient Egyptian's hieroglyphic writing system, including types of glyphs, numbers, and Champollion's discovery of how to read hieroglyphs"--Provided by publisher.

Russia A Question and Answer Book Questions and Answers Countries

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France A Question and Answer Book Questions and Answers Countries

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Germany A Question and Answer Book

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Caring for Your Guinea Pig

By Kremena Spengler

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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.