Jonathan Harr Books

The Lost Painting

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Amazon.com Review In 1992 a young art student uncovered a clue in an obscure Italian archive that led to the discovery of Caravaggio's original The Taking of the Christ , a painting that had been...

The Lost Painting: The Quest For A Caravaggio Masterpiece

By Jonathan Harr, Harr, Jonathan

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Amazon.com Review In 1992 a young art student uncovered a clue in an obscure Italian archive that led to the discovery of Caravaggio's original The Taking of the Christ , a painting that had been...

A Civil Action

By Jonathan Harr

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The Lost Painting

By Jonathan Harr

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Told with consummate skill by the writer of the bestselling, award-winning A Civil Action, The Lost Painting is a remarkable synthesis of history and detective story. An Italian village on a hillt...

A Civil Action

By Jonathan Harr, Harr, Jonathan

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The lawyer had not wanted the case at first -- it was too big, too complicated, too risky. It concerned a cluster of childhood leukemia victims in a small town north of Boston where the city wells...

Funeral wars

By Jonathan Harr

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A Civil Action

By Jonathan Harr

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Civil Action

By Jonathan Harr

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Snow Falling on Cedars

By David Guterson

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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.