Thomas Lewis Books

The Medusa and the Snail

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A Pulitzer Prize FinalistThe medusa is a tiny jellyfish that lives on the ventral surface of a sea slug found in the Bay of Naples. Readers will find themselves caught up in the fate of the medusa...

The Youngest Science: Notes of a Medicine Watcher

By Lewis Thomas

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The Mechanism and Graphic Registration of the Heart Beat

By Lewis Thomas

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Measures of the Double Stars Contained in the Mensurae Micrometricae of F. G. W. Struve

By Royal Astronomical Society, Wilhelm Struve, Lewis Thomas

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A General Theory of Love

By Richard Lannon, Fari Amini, Thomas Lewis, Lewis Thomas

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"A primordial area of the brain creates both the capacity and the need for emotional intimacy that all humans share. A General Theory of Love describes the workings of this ancient, pivotal urge an...

A General Theory of Love

By Richard Lannon, Fari Amini, Thomas Lewis

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This original and lucid account of the complexities of love and its essential role in human well-being draws on the latest scientific research. Three eminent psychiatrists tackle the difficult task...

Clinical disorders of the heart beat

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Hill of Fire

By Duncan Searl

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Clipper Ship

By Thomas Lewis

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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.