David L. Weitzman Books

Locomotive

By David L. Weitzman, David Weitzman

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Old Ironsides

By David L. Weitzman

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Traces of the past

By David L. Weitzman, David Weitzman

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The mountain man and the president

By David Weitzman

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Discusses how the friendship between naturalist John Muir and President Theodore Roosevelt brought about government protection of America's wilderness.

Brown Paper School Book

By David L. Weitzman

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Pharaoh s boat

By David Weitzman

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Pharaoh s Boat

By David L. Weitzman

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The human experience

By David Weitzman

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A textbook introducing the various factors contributing to the construction of a society.

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.