Daniel Lewis Books

The feathery tribe

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"Amateurs and professionals studying birds at the end of the nineteenth century were a contentious, passionate group with goals that intersected, collided and occasionally merged in their writings...

Star Struck

By Daniel Lewis, Ronald Brashear, Owen Gingerich

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Direct democracy and minority rights

By Daniel C. Lewis

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Direct democracy and minority rights

By Daniel C. Lewis

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Small Animal Orthopedics Rheumatology and Musculoskeletal Disorders

By Daniel Lewis, Sorrel Langley Hobbs

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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.