Earl Schipper Books

Cults In North America

By Earl J. Schipper, EARL, Schipper, Earl Schipper

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169 pages ; 18 cm Includes bibliographical references What is a cult? -- Jehovah's Witnesses -- Church of Jesus Christ of Latter-day Saints -- Christian Science -- First Unification Church -- The W...

Religions Of The World

By Earl J. Schipper, Earl Schipper

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Interesting synopsis of the basic beliefs of Hinduism, Buddhism, Judaism and Islam.

The Ministry Of Christ: Throughout Palestine In Jerusalem To The Ends Of The Earth

By Earl Schipper, Jr. Franics Breisch

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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.