Christopher Books

Agricultural Economics: Principles and Policy

By Ritson Christopher.

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Alive to God: Thirty-six Sessions for Youth and Confirmation Groups

By Christopher Herbert

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The Complete History of Middle-earth

By Christopher Tolkien

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In the divided England of the distant future, a recently-orphaned boy flees the sprawling area known as the Conurb for the serene world of the County where the people seem to live a simpler existence.

Lotus Caves

By Sam Youd

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Rebelling against the monotonous life of the moon colony, two boys go beyond its boundaries and discover a series of caves ruled by a super-intelligent plant-like being.

The Case of the Deadly Diamonds

By Christopher Bush

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Pool of Fire, The

By Christopher

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The CITY OF GOLD AND LEAD

By Christopher

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History of Western Music

By Christopher Headington

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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.