Dan Koeppel Books

To See Every Bird on Earth: A Father, a Son and a Lifelong Obsession

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To See Every Bird on Earth

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What drives a man to travel to sixty countries and spend a fortune to count birds? And what if that man is your father? Richard Koeppel’s obsession began at age twelve, in Queens, New York, when he...

Banana

By Dan Koeppel

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In the vein of Mark Kurlansky's bestselling Salt and Cod, a gripping chronicle of the myth, mystery, and uncertain fate of the world’s most popular fruit In this fascinating and surprising explorat...

To see every bird on earth

By Dan Koeppel

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Extreme Sports Almanac

By Dan Koeppel

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Updated extreme sports almanac

By Dan Koeppel

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The Tour De France Companion

By Dan Koeppel, Bob Roll

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The Tour de France companion 2005

By Bob Roll

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To see every bird on earth

By Dan Koeppel

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Banana

By Dan Koeppel, Paul Woodson

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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.