William Seifert Books

Offshore Sailing: 200 Essential Passagemaking Tips

By William G. Seifert, Bill Seifert, Daniel Spurr

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On Life And Love: A Guide To Catholic Teaching On Marriage & Family

By William Urbine, William Seifert, William Urbine & William Seifert

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vi, 198 pages ; 23 cm Includes bibliographical references and index (189-198)

CATS Whimsical Thoughts and Drawings

By William Seifert

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Case Files Biochemistry 3/E

By Eugene C. Toy, Josh Neman, Henry W. Strobel, William Seifert, Rahul Jandial, Eugene Toy, Konrad P. Harms, Henry Strobel, Evan Y. Snyder, William E. Seifert Jr., Konrad Harms

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LEARN NEUROSCIENCE IN THE CONTEXT OF REAL-LIFE PATIENTS AND PREPARE FOR THE BOARDS Experience with clinical cases is key to excelling on the USMLE Step 1 and shelf exams, and ultimately to providin...

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.