Sharon Kay Penman Books

Devil s Brood

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The Devil's Brood has at its heart the implosion of a family, a story of devastating betrayal as King Henry II's three eldest sons and his wife Eleanor enter into a rebellion against him, aligning...

Time and Chance

By Sharon Kay Penman

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Lionheart

By Sharon Kay Penman

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Lionheart

By Sharon Kay Penman

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Lionheart

By Sharon Kay Penman

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NEW YORK TIMES BESTSELLER “The great Crusader king Richard the Lionheart comes alive in all his complex splendor in this masterpiece of medieval tapestry.”—Margaret George A.D. 1189. After the...

A King's Ransom

By Sharon Kay Penman

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NEW YORK TIMES BESTSELLER Sharon Kay Penman follows up her acclaimed novel Lionheart with the vivid and heart-wrenching story of the last event-filled years in the life of Richard I of England, C...

The Reckoning

By Sharon Kay Penman

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When Christ and His Saints Slept

By Sharon Kay Penman

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A.D. 1135. As church bells tolled for the death of England's King Henry I, his barons faced the unwelcome prospect of being ruled by a woman: Henry's beautiful daughter Maude, Countess of Anjou. Bu...

Here Be Dragons

By Sharon Kay Penman

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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.