Julia Lavarnway Books

Secular humanism and its commitments

By Ronald A. Lindsay, Julia Lavarnway, Flynn Tom, Andrea Szalanski

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"This new anthology collects outstanding articles from the last decade of Free Inquiry, America's definitive secular humanist magazine. Thirteen wide-ranging essays shed light on the "life stance"...

Religions are for a day

By Julia Lavarnway, Tom Flynn

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Robert Green Ingersoll (1833-1899) has been called "the most remarkable American most people never heard of," a situation this book hopes to improve. At its core is a 13,000-word biographical appre...

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.