Jerry Marcus Books

Abraham, Isaac, Jacob, and Zev

By Jerry Marcus

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Broken Trust The Murder Of Basketball Star Jack Molinas

By Jerry Marcus

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An explosion of gunshots rocked the peaceful evening. Five bullets — one after another — ended the life of basketball star Jack Molinas. Wounded by one of the bullets was Jack’s old sweetheart, Shi...

Shoshana s song

By Jerry Marcus

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Daughters of God

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373 pages ; 22 cm

Escape from Heaven

By Jerry Marcus, Marion E. Gold

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We Love You Trudy

By Jerry Marcus

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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.