Ryan Jacobs Books

El mundo oculto de la trufa

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“The ultimate truffle true crime tale”*: A thrilling journey through the hidden underworld of the world's most prized luxury ingredient.*Bianca Bosker, New York Times bestselling author of Cork Dor...

Sold Out of Pie

By Ryan Jacobs

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Vegetarian Ideas

By Ryan Jacobs

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Vegetarian Ideas

By Mags Munroe, Ryan Jacobs

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Vegetarian Ideas

By Ryan Jacobs

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Vegetarian Ideas

By Ryan Jacobs

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Truffle Underground

By Ryan Jacobs

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Genius Without Education Part 1

By Ryan Jacobs

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Hark! The Herald Angels Scream

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Eighteen stories of Christmas horror from bestselling, acclaimed authors including Scott Smith, Seanan McGuire, Josh Malerman, Michael Koryta, Sarah Pinborough, and many more.That there is darkness...

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.