Janis Campbell Books

Authors by Request

By Janis Campbell

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Using Media in the Classroom Grades 4 5

By Janis Campbell, Cathy Collison

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Using Media in the Classroom Middle School Teacher Resource Book

By Janis Campbell, Cathy Collison

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Reese Witherspoon

By Janis Campbell, Catherine Collison

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Authors by request

By Janis Campbell

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A collection of interviews in which authors, including J.K. Rowling, Brian Jacques, and R.L. Stine, share writing tips, reading lists, and personal stories about their work.

We the People

By Janis Campbell, Catherine Collison

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G is for Galaxy

By Alan Stacy, Janis Campbell, Catherine Collison, Cathy Collison

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"This A to Z children's pictorial covers topics such as the planets, craters, comets, orbits, and telecopes. Each word related to our galaxy or to space is introduced with a simple poem for younger...

G Is for Galaxy

By Janis Campbell, Cathy Collison

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Kamala Harris

By Janis Campbell, Catherine Collison

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Kamala Harris

By Janis Campbell, Catherine Collison

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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.