Stuart Gibbs Books

Belly Up

By Stuart Gibbs

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Twelve-year-old Teddy investigates when a popular Texas zoo's star attraction--Henry the hippopotamus--is murdered.

Spy school

By Stuart Gibbs

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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.

Spy Camp

By Stuart Gibbs

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In the second book in the New York Times bestselling Spy School series, top-secret training continues into summer for aspiring spy Ben Ripley—and so does the danger. Ben Ripley is a middle 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.

Big Game

By Stuart Gibbs, Stuart Gibbs, Stuart Gibbs

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Teddy Fitzroy returns as FunJungle’s resident zoo sleuth when a rhinoceros is at risk in Big Game , a companion to Belly Up and Poached —which Kirkus Reviews called a “thrill-ride of a myster...

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.