David A. Adler Books

CAM Jansen and the Mystery of the Dinosaur Bones CAM Jansen

By David A. Adler

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3 2 1 number fun

By David A. Adler

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Cam Jansen

By David A. Adler, Susanna Natti

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Pass the ball Mo

By David A. Adler

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Mo's latest obsession is basketball. He's determined to learn how to pass, but as the shortest member of the team, he can't seem to launch the ball high enough. Can Mo learn to pass in time to help...

Kick It Mo

By David A. Adler, Sam Ricks

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Cam Jansen and the Birthday Mystery

By David A. Adler

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When Cam's grandparents are robbed on their way to her parents' surprise birthday party, Cam uses her photographic memory to solve the mystery.

Heroes of the Revolution

By David A. Adler

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The Mystery at Monkey House

By David A. Adler

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Cam Jansen and the catnapping mystery

By David A. Adler

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While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Cam Jansen and the Snowy Day Mystery

By David A. Adler

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Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen.

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.