Perry Robert Books

Signs: A New Approach to Coincidence, Synchronicity, Guidance, Life Purpose, and God's Plan presents a new way of approaching coincidental or synchronistic events, events that seem to be telling us...

Uprising

By Perry Robert

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The turkey feather cape

By Perry Robert

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Comparative Analysis of Nations

By Perry Robert

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Dementia with Lewy Bodies

By Ian McKeith, Jeffrey L. Cummings, Perry Robert, Elaine Perry

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Dementia with Lewy Bodies

By Ian McKeith, Jeffrey L. Cummings, Perry Robert, Elaine Perry

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My Vancouver Sketchbook

By Greta Guzek, Perry Robert

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Woody Crumbo

By Ruthe Blalock Jones, Kimberly Roblin, Carole Klein, Perry Robert, Minisa Crumbo Halsey

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Woodrow Wilson Crumbo and the oilman Thomas Gilcrease met for the first time at the Mayo Hotel in Tulsa in 1945. Gilcrease would eventually persuade the young Crumbo to join him as artist-in-reside...

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.