Bobbie Kalman Books

How and what do animals learn?

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"This fascinating book explains that some animals must learn the basics of staying alive from their mothers, while others know how to survive without being taught. Students will discover how some b...

Why and Where Are Animals Endangered

By Bobbie Kalman

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How and why do animals communicate?

By Bobbie Kalman

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How and why do animals adapt?

By Bobbie Kalman

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How and why do people copy animals?

By Bobbie Kalman

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"People have learned a lot from animals and copied many of their ways of surviving. This interesting book details many, often surprising, examples: bird flight and airplanes; defensive equipment su...

What kinds of coverings do animals have?

By Bobbie Kalman

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Different body coverings protect animals by keeping them warm and safe. This fun book gives readers a close-up look at different animal coverings, from fur and feathers to scales and shells, and sh...

Extreme wakeboarding

By Bobbie Kalman

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Endangered bats

By Bobbie Kalman

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Endangered manatees

By Bobbie Kalman

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Endangered butterflies

By Bobbie Kalman

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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.