Bob Wolfe Books

Lessons from the Art of Kempo
Lessons from the Art of Kempo

By Fred Neff

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Inside Commodore 64 Basic
Well Blow Me Down
Well Blow Me Down

By John Baur, Mark Summers

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A Drop of Life in the Sea of Time
Emergency room
Emergency room

By Robert L. Wolfe

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Text and photographs describe activities occurring in a hospital emergency room as they follow a number of both seriously ill patients and patients with minor complaints through their treatment.

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Dinosaur discoveries
Dinosaur discoveries

By Robin West

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Instructions for drawing, cutting, and gluing paper shapes together to form three-dimensional dinosaurs.

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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.

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