David A. Adler Books

When Cam and her father go to a talent show at the local senior center, Cam's help is needed to find out who stole a wedding cake from the delivery truck.

Bones and the roller coaster mystery

By David A. Adler

Average: 0.00, 0 Ratings

Junior sleuth Jeffrey Bones and his grandfather enjoy a day at the amusement park until their tickets to ride the giant roller coaster mysteriously disappear.

Bones and the clown mix up mystery

By David A. Adler

Average: 0.00, 0 Ratings

Detective Jeffrey Bones helps a clown who performed at his friend's birthday party to find some lost clothing.

Cam Jansen and the Sports Day mysteries

By David A. Adler

Average: 0.00, 0 Ratings

Supersleuth Cam Jansen solves three mysteries during her class's Sports and Good Nutrition Day.

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.