John K. Ryan Books

Introduction to the Devout Life
Introduction to the Devout Life

By John K. Ryan, Francis De Sales

Average: 0.00, 0 Ratings

Francis de Sales’s Introduction to the Devout Life has remained a uniquely accessible and relevant treasure of devotion for nearly four hundred years. As Bishop of Geneva in the first quarter of th...

Read More
Heirs and Ancestors
Heirs and Ancestors

By John K. Ryan

Average: 0.00, 0 Ratings

Read More
Essays in Greek and Medieval Philosophy
Ancients and Moderns
Ancients and Moderns

By John K Ryan

Average: 0.00, 0 Ratings

Read More
Heirs and Ancestors Studies in Philosophy and the History of Philosophy Vol. 6
Concept of Time in St. Augustine and Other Studies
John Duns Scotus 1265 1965
Heirs and Ancestors
Heirs and Ancestors

By John K. Ryan

Average: 0.00, 0 Ratings

Read More
Ancients and Moderns
Ancients and Moderns

By John K. Ryan

Average: 0.00, 0 Ratings

Read More
Ancients and Moderns
Ancients and Moderns

By John K. Ryan

Average: 0.00, 0 Ratings

Read More

Related Articles from our Blog

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.

Read More