Bill B. Hayes Books

Five Quarts

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“This beguiling brew of fascinating scientific facts and illuminating, poignant anecdotes makes Five Quarts something like blood itself: vital and pulsing with energy.”–Entertainment WeeklyFrom anc...

The Anatomist: A True Story of Gray's Anatomy

By Bill Hayes, Bill B. Hayes

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The Anatomist

By Bill Hayes

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The classic medical text known as Gray’s Anatomy is one of the most famous books ever written. Now, on the 150th anniversary of its publication, acclaimed science writer and master of narrative non...

Five Quarts

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“We’re born in blood. Our family histories are contained in it, our bodies nourished by it daily. Five quarts run through each of us, along some sixty thousand miles of arteries, veins, and capilla...

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.