Stuart Gibbs Books

Spy school

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Twelve-year-old Ben Ripley leaves his public middle school to attend the CIA's highly secretive Espionage Academy, which everyone is told is an elite science school.

Evil spy school

By Stuart Gibbs

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After getting expelled from spy school for accidentally shooting a live mortar into the principal's office, thirteen-year-old Ben finds himself recruited by evil crime organization SPYDER.

Evil spy school

By Stuart Gibbs

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After getting expelled from spy school for accidentally shooting a live mortar into the principal's office, thirteen-year-old Ben finds himself recruited by evil crime organization SPYDER.

Panda monium

By Stuart Gibbs

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Teddy Fitzroy must solve the crime of the kidnapped rare and expensive panda, Li Ping.

Panda-monium

By Stuart Gibbs

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Teddy Fitzroy must solve the crime of the kidnapped rare and expensive panda, Li Ping.

Astronauts Spies and Hippopotami A Stuart Gibbs Starter Collection

By Stuart Gibbs

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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.