Christopher Lewis Books

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By Christopher Lewis, Lewis Christopher G.

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Throughout history human beings have been preoccupied with personal survival after death. As a consequence, most world religions proclaim that life continues beyond the grave, and they have depicte...

Antiques Roadshow

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Antiques roadshow

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Antiques Road Show

By Christopher Lewis

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Particular places

By Lewis C. P.

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The Lancashire Domesday.

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Cleave The Wood and There I Am

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Decade

By Christopher Lewis

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3 x 3 Eyes

By Lea Hernandez, Christopher Lewis, Gao Tian Yu San, Toren Smith

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Pai, a three-hundred-year-old girl with three eyes and mystic powers has lost her memory. With the help of her companion Tokyo student Yakumo, she searches for the incense burner which can restore...

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.