Janet Shirley Books

The Latin Kingdom of Jerusalem

By Jean Richard, Richard Jean

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2 volumes ; 23 cm

The Latin kingdom of Jerusalem

By Richard Jean

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2 volumes ; 23 cm

Guillaume de Machaut

By Guillaume De Machaut

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The Song Of The Cathar Wars: A History Of The Albigensian Crusade

By Janet Shirley, Guillaume, William Of Tudela And An Anonymous Successor

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The Song of the Cathar Wars is the first translation into English of the Old ProvenÃ§al Canso recounting the events of the years 1204-1218 in Southern France. In an effort to extirpate the Cathar h...

On a Summer's Day.

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Crusader Syria In The Thirteenth Century: The Rothelin Continuation Of The History Of William Of Tyre With Part Of The Eracles Or Acre Text

By Janet Shirley

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The Old French ’Rothelin’ Continuation of William of Tyre’s Historia provides one of the best contemporary narratives of the history of the crusades and of the Latin Kingdom of Jerusalem in the mid...

The Littlest Book for Your Birthday Littlest Books

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The Littlest Book of London Littlest Books

By Julia Killingback

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The Littlest Book of Castles Littlest Books

By Julia Killingback

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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.