Stephen Cumbaa Books

Bones Skeleton Gamebook Hand in Hand with Nature

By Stephen Cumbaa, Karen Anderson

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The Bones Book And Skeleton

By Stephen Cumbaa

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The bones book and skeleton

By Stephen L. Cumbaa, Stephen Cumbaa, Kim La Fave

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Examines the structure of the human skeleton and how it works in conjunction with the muscular, circulatory, nervous, respiratory and digestive systems of the human body. Includes projects, experim...

The bones book & skeleton

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The Bones Skeleton Game Book

By Stephen Cumbaa, Karen C. Anderson

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Sea Monsters

By Stephen Cumbaa

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Bones Book Skeleton

By Stephen Cumbaa

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The bones & skeleton gamebook

By Karen C. Anderson

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A collection of activities, quizzes, games, puzzles, and experiments exploring the human body and how it works.

Megalodon

By Susan Hughes, Stephen Cumbaa

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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.