Stuart A. Kallen Books

Space stations

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Describes the efforts and accomplishments of both the United States and the Soviet Union to develop space stations over the past quarter century.

Space shuttles

By Stuart A. Kallen

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Describes the physical characteristics of space shuttles and life aboard them, and provides a history of the NASA space shuttle program.

Quincy Jones

By Stuart A. Kallen

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Describes the life and career of the man who overcame racist attitudes to become a shining star in America's recording and music production scene.

Beagles

By Stuart A. Kallen

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An introduction to the smallest member of the hound family, which includes its history, development, uses, and care.

Collies (Dogs Set II)

By Stuart A. Kallen

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Describes the physical characteristics and habits of these gentle herding dogs and the care they require as a pet.

Dachshunds

By Stuart A. Kallen

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Describes the physical characteristics and habits of these dogs known for their long bodies and short legs and the care they require as pets.

Old English sheepdogs

By Stuart A. Kallen

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Describes the physical characteristics and habits of these loyal working dogs and the care they require as a pet.

Golden retrievers

By Stuart A. Kallen

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An introduction to this friendly dog, which includes its history, development, uses, and care.

Balinese Cats Cats Set II

By Stuart A. Kallen

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Devon Rex Cat Cats Set II

By Stuart A. Kallen

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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.