David A. Adler Books

It's up to Cam to solve this disappearing act! Aunt Molly takes Cam and her friend Eric to see a magic show at Teddy's Toys. During the show, Teddy's bird, Oscar, disappears! Where could he have...

Young Cam Jansen and the Circus Mystery

By David A. Adler, Susanna Natti

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Cam and her friend Eric are having a great time at the circus with Aunt Molly - that is, until their box of popcorn goes missing. Did they lose it, or was it stolen? It's up to Cam and her photogra...

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.