Catherine Shanahan Books

The Fatburn Fix

By Catherine Shanahan, Eliza Foss

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Deep nutrition

By Catherine Shanahan

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"Shanahan examined diets around the world known to help people live longer, healthier lives--diets like the Mediterranean, Okinawa, and "Blue Zone"--and identified the four common nutritional habit...

The Fatburn Fix

By Catherine Shanahan M.D.

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Dark Calories

By Catherine Shanahan

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Dark Calories

By Catherine Shanahan

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Deep Nutrition Why Your Genes Need Traditional Food

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Fatburn Fix

By Catherine Shanahan

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Deep Nutrition

By Catherine Shanahan

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Deep Nutrition

By Catherine Shanahan

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The Fatburn Fix Boost Energy End Hunger and Lose Weight by Using Body Fat for Fuel

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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.