Rachel A. Koestler Grack Books

The Space Shuttle Columbia disaster

By Rachel A. Koestler Grack

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Brett Favre

By Rachel A. Koestler Grack

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Presents the life and accomplishments of the star quarterback, from his childhood in small-town Mississippi, through his college days, to his professional career with the Atlanta Falcons and Super...

Spain

By Rachel A. Koestler Grack, Full Color Photography

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The American paint horse

By Rachel A. Koestler Grack

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"Engaging images accompany information about the American Paint Horse. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 7"--

The American saddlebred horse

By Rachel A. Koestler Grack

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"Engaging images accompany information about the American Saddlebred Horse. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 7"--

The Space Shuttle Columbia disaster

By Rachel A. Koestler Grack

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Martin Luther King Jr. Day

By Rachel A. Koestler Grack

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Memorial Day

By Rachel A. Koestler Grack

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Presidents Day

By Rachel A. Koestler Grack

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Valentine s Day

By Rachel A. Koestler Grack

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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.