Powell Robert Books

Zen and reality

By Powell Robert

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Zen and reality

By Powell Robert

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A key to amphibians and reptiles of the continental United States and Canada

By Powell Robert

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This comprehensive key for identifying specimens of amphibians and reptiles in the U.S. and Canada - the first since 1983 - incorporates the wealth of scientific findings generated by molecular sys...

Leaf and branch

By Powell Robert

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Chlorine and caustic soda manufacture

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Robert Powell's The great awakening

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Chronicle of the living Christ

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Why does God allow suffering?

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The sidereal zodiac

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Return to meaningfulness

By Powell Robert

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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.