Jonathan Phillips Books

Defenders of the Holy Land: Relations between the Latin East and the West, 1119-1187

Average: 0.00, 0 Ratings

The triumph of the First Crusade (1095-1099) led to the establishment of a Latin Christian community in the Levant. Remarkably, despite growing pressure from the neighbouring Muslim powers, and the...

The Fourth Crusade: And the Sack of Constantinople

By Jonathan Phillips, JONATHAN JONATHAN P. PHILLIPS

Average: 0.00, 0 Ratings

The Conquest of Lisbon

By Charles Wendell David

Average: 0.00, 0 Ratings

The Second Crusade: Extending the Frontiers of Christendom

By Jonathan Phillips

Average: 0.00, 0 Ratings

The Second Crusade: Extending the Frontiers of Christendom

By Jonathan Phillips

Average: 0.00, 0 Ratings

The Second Crusade (1145-1149) was an extraordinarily bold attempt to overcome unbelievers on no less than three fronts. Crusader armies set out to defeat Muslims in the Holy Land and in Iberia as...

The Experience of Crusading Volume 2. Defining the Crusader Kingdom

By Peter Edbury, Jonathan Phillips

Average: 0.00, 0 Ratings

The Crusades 1095 1197

By Jonathan Phillips

Average: 0.00, 0 Ratings

The biology of disease

Average: 0.00, 0 Ratings

The Fourth Crusade and the Sack of Constantinople

By Jonathan Phillips

Average: 0.00, 0 Ratings

The First Crusade

By Jonathan Phillips

Average: 0.00, 0 Ratings

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.