Paul Marcus Books

Criminal procedure

By Joseph G. Cook

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Prosecution and Defense of Criminal Conspiracy Cases

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Into the great forest

By Irene Wineman Marcus

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Reluctant to leave home for his first day of school, a young boy has a reassuring dream in which he leaves his royal parents for an adventure in the forest and returns safely to the castle.

Scary night visitors

By Irene Wineman Marcus

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When Davey realizes that his scary nighttime visitors are really his unacceptable angry feelings about his little sister, projected into the outside world, he feels free to express his anger in a h...

Theater as life

By Paul Marcus

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Entrapment defense

By Paul Marcus

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Being for the other

By Paul Marcus

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Psychoanalytic Reflections on the Holocaust

By Steven A. Luel

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Scary Night Visitors

By Paul Marcus, Irene Wineman Marcus

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Scary Night Visitors

By Paul Marcus, Irene Wineman 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.