William F. Schulz Books

In Our Own Best Interest

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Sierra Leone, Kosovo, East Timor, the Bronx. The nightly news brings vivid images into our homes of the mistreatment of people all over the world. In the secure comfort of our living rooms, we may...

Transforming Words

By William F. Schulz

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Finding time & other delicacies

By William F. Schulz

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The Unitarian Universalist pocket guide.

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Making the Manifesto

By William F. Schulz

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Tainted Legacy

By William F. Schulz, William Schulz

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"Have human rights as we once understood them become obsolete in the wake of 9/11? Aren't new methods needed to combat the apocalyptic violence of Al Qaeda? Shouldn't some rights be sacrificed to m...

Superpower syndrome

By Robert Jay Lifton

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Coming Good Society

By William F. Schulz, Sushma Ramen

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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.