Philip Singerman Books

What I Wish They Would Have Taught Me In Sunday School

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Explores the fundamental concepts of Judaism as expressed through the Book of Genesis, in an effort to "connect the dots" between modern science, God and the Bible.

American hero

By Philip Singerman

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Bobby Bagel and the Roadmasters

By Philip Singerman

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Proof Positive

By Philip Singerman

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An American hero

By Philip Singerman

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Bobby Bagel And The Roadmasters

By Philip Singerman

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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.