David A. Adler Books

Parachuting Hamsters and Andy Russell 1 CD Set

By David A. Adler

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Danny's doodles

By David A. Adler

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Danny and Calvin decide to find out why their fourth-grade teacher, Mrs. Cakel, is suddenly behaving very strangely by not only failing to enforce her many rules, but by violating some herself.

Danny's doodles

By David A. Adler

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Danny and Calvin decide to find out why their fourth-grade teacher, Mrs. Cakel, is suddenly behaving very strangely by not only failing to enforce her many rules, but by violating some herself.

Bones and the apple pie mystery

By David A. Adler

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When Sally's entry in the Best Pie Contest goes missing, young Detective Jeffrey Bones looks for clues.

Cam Jansen and the Spaghetti Max mystery

By David A. Adler

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While at the airport waiting for her father to pick up his best friend from childhood, Cam Jansen uses her photographic memory to help a distressed father find his missing daughter.

Young Cam Jansen and the knock knock mystery

By David A. Adler

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Eric's Grandma Minnie and Grandpa Max keep hearing someone knock at their door, night and day, but find no one there, so Cam tries to solve the mystery using her amazing memory.

Cam Jansen and the Joke House mystery

By David A. Adler

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While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest is over.

Tetrahedrally Bonded Amorphous Semiconductors

By David A. Adler, Hellmut Fritzsche

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Treating Personality Disorders New Directions for Mental Health Services No 47

By David A. Adler

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My writing day

By David A. Adler

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The author of many works of both fiction and non-fiction describes his life, his daily activities, and his creative process, showing how all are intertwined.

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.