St. Germain, Mark Books

Scrooge - The Musical

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Medicine, Money, and Morality clash when the Heart Transplant Selection Committee of St. Patrick's Hospital has only minutes to decide which of three patients will receive a heart that has suddenly...

The God Committee

By Mark St. Germain, Leslie Bricusse, St. Germain, Mark

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Duma: The Movie Novel

By Kathleen Weidner Zoehfeld, Zoehfeld, Kathleen Weidner, St. Germain, Mark, Janszen, Karen, Flint, Carol

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A boy and his cheetah Xan has always loved animals. At home on his parents' farm in South Africa, he has lots of pets, including a parrot, several lizards, and a snake. When he and his dad find a c...

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.