Ann Raymond Campbell Books

Let's find out about color

By Ann Raymond Campbell

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Discusses the primary colors from which all other colors are made.

Richard Milhous Nixon Picture Life Series

By Ann Raymond Campbell

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Paintings: how to look at great art

By Ann Raymond Campbell

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Explains, with photographs of well-known paintings, the meaning of design, pattern, composition, space, perspective, light and shade, movement, sfumato, and many other concepts.

La Tierra Increible

By Jessica Wolk Stanley, Ann Raymond Campbell, Ann Jeanette Campbell

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El Espacio Asombroso

By Jessica Wolk Stanley, Ann Jeanette Campbell

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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.