Leo Vincent Serroul Books

Venerated brothers and sisters , a study of Pope John Paul II on Jews and Judaism in the context of Jewish-Christian dialogue

By Leo Vincent Serroul

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Sapientis est ordinare : An interpretation of the Pars systematica of Bernard Lonergan's De Deo trino from the viewpoint of order.

By Leo Vincent Serroul

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Sapientis est ordinare. Ordering is the work of the wise. This interpretation of Bernard Lonergan's systematic theology of God pursues throughout the Pars systematica of his De Deo trino (1964) an...

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.