Chris Hayhurst Books

The Brain and Spinal Cord

By Chris Hayhurst

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The Lungs

By Chris Hayhurst

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Everything you need to know about food additives

By Chris Hayhurst

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John Sutter

By Chris Hayhurst

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Surveys the life of Swiss/German immigrant John Sutter, on whose land gold was discovered in the mid-nineteenth century, spurring the California gold rush and westward expansion.

John Sutter

By Chris Hayhurst

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Surveys the life of Swiss/German immigrant John Sutter, on whose land gold was discovered in the mid-nineteenth century, spurring the California gold rush and westward expansion.

Toro Sentado

By Chris Hayhurst

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Everything you need to know about hepatitis C

By Chris Hayhurst

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Neptune The Library of the Nine Planets

By Chris Hayhurst

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Pluto The Library of the Nine Planets

By Chris Hayhurst

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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.