Willard Allison Heaps Books

Birthstones and the lore of gemstones

By Willard Allison Heaps

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Riots U.S.A.

By Willard Allison Heaps

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Wandering Workers

By Willard Allison Heaps

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Juvenile justice

By Willard Allison Heaps

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Examines the juvenile crime problem in the United States and follows, step-by-step, what happens to a juvenile offender from his arrest through the court hearing and confinement.

Riots U.S.A. 1765 1970 Revised Edition

By Willard Allison Heaps

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Superstition!

By Willard Allison Heaps

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Examines the origins, persistence, and bases, if any, for superstitions concerning sports, medicine, weather, music, theater, marriage, and other areas.

Psychic phenomena

By Willard Allison Heaps

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Juvenile Justice

By Willard Allison Heaps

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TAXATION U.S.A.

By Willard Allison Heaps

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Superstition

By Willard Allison Heaps

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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.