Peter Krass Books

To Be God The Edison Gates Affair

By Peter Krass

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Sojourner Truth Melrose Square Black American Series

By Peter Krass

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Sojourner Truth Antislavery Activist (Black Americans of Achievement)

By Peter Krass

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The Book of Investing Wisdom

By Stuart Langton, Peter Krass

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Traces the life of the former slave who could neither read nor write, yet earned a reputation as one of the most articulate and outspoken antislavery and women's rights activists in the United States.

The Book of Investing Wisdom

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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.