Ken Willcox Books

Totality: Eclipses of the Sun

By Ken Willcox, Fred Espenak, Mark Littmann

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"Totality: Eclipses of the Sun takes you to eclipses of the past, present, and future, and lets you see - and feel - why people travel to the ends of the Earth to observe them."--BOOK JACKET. "Tota...

Totality: Eclipses of the Sun

By Ken Willcox, Fred Espenak, Mark Littmann

Average: 0.00, 0 Ratings

Totality: Eclipses of the Sun

By Mark Littmann

Average: 0.00, 0 Ratings

Totality

By Ken Willcox, Mark Littmann

Average: 0.00, 0 Ratings

Totality: Eclipses of the Sun

By Mark Littmann

Average: 0.00, 0 Ratings

Totality: Eclipses of the Sun

Average: 0.00, 0 Ratings

Totality

By Ken Willcox, Fred Espenak, Mark Littmann

Average: 0.00, 0 Ratings

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.