Catherine Halversen Books

Only One Ocean

By Kimi Hosoume, Catherine Halversen, Craig Strang, Catherine Halverson

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Ocean Currents

By Catherine Halversen, Kevin Beals, Craig Strang

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Beach postcards

By Catherine Halversen

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What lives on a sandy beach

By Catherine Halversen

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Forces

By Josey Baker

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"Forces are pushes and pulls. They can change the way things move. In this book, you will learn about forces. You'll find out what all forces have in common. You'll also learn that some forces can...

RDR SOS Gravity Is Everywhere GR 2 3 EA

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RDR SOS Mystery Forces GR 2 3 EA

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Reflecting on Practice for Stem Educators

By Catherine Halversen, Lynn Uyen Tran

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Reflecting on Practice for Stem Educators

By Catherine Halversen, Lynn Uyen Tran

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On Sandy Shores Great Explorations in Math Science

By Kimi Hosoume, Craig Strange, Catherine Halversen, Craig Strang

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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.