Dan Guravich Books

Skimmers

By Dan Guravich, Downs Matthews

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Describes the life cycle of the black skimmer and how one particular flock chose a parking lot for their rookery.

Arctic foxes

By Downs Matthews

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The Polar Bear

By Ian Sterling, Ian Stirling, Dan Guravich

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The return of the brown pelican

By Dan Guravich

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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.