Karen Anderson Books

Froglets do the measuring

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The frogs in the stories encounter problems that require measurement and estimation skills. Students use the frogs' measuring strategies and also develop their own.

Chain Her by One Foot: Subjugation of Women in Seventeenth-century New France

By Karen Anderson, Anderson Karen

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The time capsule

By Karen Anderson

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Dahut

By Karen Anderson, Poul Anderson

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The King of Ys

By Karen Anderson, Poul Anderson

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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.