Sheldon Siegel Books

Serve and Protect

By Sheldon Siegel

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The Dreamer

By Sheldon Siegel

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The Dreamer

By Sheldon Siegel

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Special Circumstances

By Sheldon Siegel

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Out of the Black Land

By Kerry Greenwood

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Eighteenth Dynasty Egypt is peaceful and prosperous under the dual rule of the Pharaohs Amenhotep III and IV, until the younger Pharaoh begins to dream new and terrifying dreams. Ptah-hotep, a youn...

Judgment day

By Sheldon Siegel

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As husband and wife, Mike Daley and Rosie Fernandez couldn t make it work. Luckily for Bay Area criminals, they didn t let that stop them from joining forces to open San Francisco s most tenacious...

Perfect Alibi

By Sheldon Siegel

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Final Out Mike Daley Rosie Fernandez Legal Thriller

By Sheldon Siegel

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Circonstances aggravantes

By Sheldon Siegel

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Preuves accablantes

By Dominique Peters, Sheldon Siegel

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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.