John Charles Ryle Books

Knots Untied is J. C. Ryle's leading work in defence of the evangelicalism of the Church of England. When first published in 1874 it proved immensely popular, and by 1885 it was reprinted in a tent...

Thoughts for Young Men

By Michael Foster, John Charles Ryle

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""Ryle knew that the only men who are of earthly use are heavenly minded. He called men to serve God with their bodies in a masculine way." In this short, but straightforward and no nonsense book,...

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.