Julian Guthrie Books

How to Make a Spaceship

By Julian Guthrie

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The billionaire and the mechanic

By Julian Guthrie

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Details the partnership between Larry Ellison, billionaire CEO of Oracle Corrporation, and blue-collar mechanic Norbert Bajurin, offering a glimpse into their runs for the America's Cup and the des...

Good Blood

By Julian Guthrie

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How to make a spaceship

By Julian Guthrie

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Alpha Girls

By Julian Guthrie

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The grace of everyday saints

By Julian Guthrie

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Documents the mysterious 1993 archdiocese decision to close St. Brigid Church in San Francisco, tracing how the efforts of a ragtag group of faithful people to save their beloved landmark revealed...

Alpha Girls

By Julian Guthrie

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An unforgettable story of four women who, through grit and ingenuity, became stars in the cutthroat, high-stakes, male dominated world of venture capital in Silicon Valley, and helped build some of...

Grace of Everyday Saints

By Julian Guthrie

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How to Make a Spaceship

By Julian Guthrie

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Billionaire and the Mechanic

By Julian Guthrie

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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.