John Phillips Conrad Books

Crime and Its Correction

By John P. Conrad

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U. N. in or Out

By Ernest Van Den Haag, John Phillips Conrad

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Death Penalty

By Ernest Van Den Haag, John Phillips Conrad, Ernest Van Den Haag, John P. Conrad (Auth.)

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From 1965 until 1980, there was a virtual moratorium on executions for capital offenses in the United States. This was due primarily to protracted legal proceedings challenging the death penalty on...

The Death Penalty

By Ernest Van Den Haag, John Phillips Conrad

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The Death Penalty: A Debate

By Ernest Van Den Haag, John Phillips Conrad, Ernest Van Den Haag, John P. Conrad (Auth.)

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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.