David A. Adler Books

Bones and the Dinosaur Mystery

By David A. Adler, Barbara Johansen Newman

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Detective Jeffrey Bones solves crimes?but this time it?s personal. He?s at a science museum when his blue Tyrannosaurus rex goes missing. Could someone have stolen it? Bones must find his T-rex! Ho...

Don t Talk to Me about the War

By David A. Adler

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Young Cam Jansen and the Molly Shoe Mystery

By David A. Adler, Susanna Natti

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Aunt Molly is in town. Cam Jansen and her best friend, Eric, are at the airport to greet her. They find Aunt Molly, but her favorite high heels are missing! Did she leave them in Peru, or China, or...

Bones and the Birthday Mystery

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Bones and his parents got Grandpa a special present for his birthday. But by the time they all make it to the party, the gift is gone. How could it have disappeared so quickly? Will detective Jeffr...

Bones and the Math Test Mystery

By David A. Adler, Barbara Johansen Newman

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Jeffrey Bones's teacher, Mr. Gale, loses things a lot. One day, Mr. Gale says he can't find Bones's math test, but Bones knows he turned it in. It's time for him to use his detective skills. Can Bo...

Andy and Tamika

By David A. Adler

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It s a Baby Andy Russell

By David A. Adler, Leanne Franson

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Baseball s Silent Star

By David A. Adler, Terry Widener

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Parachuting Hamsters and Andy Russell

By David A. Adler, Will Hillenbrand

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Golda Meir

By David A. Adler

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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.