Jack Roberts Books

Who needs midlife at your age?

By Jack Roberts

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Larry Bird Sports Shots Collector s Book No. 8

By Jack Roberts

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Wayne Gretzky

By Jack Roberts

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A sports biography of Wayne Gretzky, who, though "small", has become a spectacular hockey player.

Darryl Strawberry Sports Shots Collectors Book 10

By Jack Roberts

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Nolan Ryan Sports Hots Collectors Book No. 12

By Jack Roberts

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This book sets the standard. With an emphasis on application, this book explains simply the most frequently used soil tests and the resulting reports. Furthermore, it explains how these reports can...

Understanding Soils Mechanics

By Jack Roberts

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Construction Surveying

By Jack Roberts

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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.