Theresa Greenaway Books

Amazing bears

By Theresa Greenaway

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Introduces the physical characteristics and habits of bears and pandas.

Weird creatures of the wild

By Theresa Greenaway

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Introduces some of the more unusual members of the animal kingdom, including the babirusa, cassowary, and echidna.

Woodland trees

By Theresa Greenaway

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Describes different types of forests throughout the world and the threats to their survival. Also discusses the importance of trees in producing oxygen and the many products that we get from trees.

Micro Mundos 3D

By Theresa Greenaway

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Reproduccion de Los Animales

By Theresa Greenaway

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Ocean life

By Theresa Greenaway

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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.