Daniel Ehrenhaft Books

Drawing a blank, or, How I tried to solve a mystery, end a feud, and land the girl of my dreams

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Carlton Dunne IV, an outcast boarding school student with a secret identity as a graphic novelist, teams up with a beautiful Scottish girl who yearns to be an American police officer, to resolve an...

The last dog on Earth

By Daniel Ehrenhaft

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Tell it to Naomi

By Daniel Ehrenhaft

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In a harebrained scheme concocted by his neurotic older sister to forge a romantic relationship with the girl of his dreams, fifteen-year-old Dave Rosen pretends to be a female advice columnist for...

The last dog on Earth

By Daniel Ehrenhaft

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Fourteen-year-old Logan Moore, lacking direction and self-esteem, develops a strong bond with Jack, a stray dog, but even that relationship is threatened when a deadly disease emerges which causes...

Dirty Laundry

By Daniel Ehrenhaft

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Break the Surface Watching Alice Book 1

By Lee Miller, Daniel Ehrenhaft, Barnabas Miller, Daniel Parker

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10 things to do before I die

By Daniel Ehrenhaft

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Just after his best friends make a list of things sixteen-year-old Ted should do to live it up, he learns that he has ingested poison and will be dead in twenty-four hours--which might be enough ti...

Tell it to Naomi

By Daniel Ehrenhaft

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After Life

By Daniel Ehrenhaft

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That's Life, Samara Brooks

By Daniel Ehrenhaft

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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.