David Adler Books

Twisted Witch Other Spooky Riddles

By David Adler

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The Dinosaur Princess and Other Prehistoric Riddles

By David Adler

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T.F. Benson and the funny-money mystery

By David A. Adler

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When an epidemic of phony five-dollar bills spreads throughout the neighborhood, T.F. and Sara set out on the trail of the counterfeiter.

T.F. BENSON AND THE EYE SPY MYSTERY T.F. Benson No. 3

By David Adler

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Detective Dog Mystery T.F. Benson No. 4

By David Adler

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Picture Book of Martin Luther King Jr

By David Adler

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Cam Jansen and the Mystery at the Haunted House

By David 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.