Mark Haddon Books

Porpoise

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From the “terrifyingly talented” (London Times) author of THE CURIOUS INCIDENT OF THE DOG-IN THE NIGHT-TIME and THE PORPOISE, eight mesmerizingly imaginative, deeply-humane stories that use Greek m...

Boom

By Mark Haddon

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When Jim and Charlie overhear two of their teachers talking in a secret language and the two friends set out to solve the mystery, they do not expect the dire consequences of their actions.

Boom!

By Mark Haddon

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When Jim and Charlie overhear two of their teachers talking in a secret language and the two friends set out to solve the mystery, they do not expect the dire consequences of their actions.

Boom!

By Mark Haddon

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An explosive, highly charged, and hilarious middle-grade adventure from Mark Haddon, acclaimed author of The Curious Incident of the Dog in the Night-time.From the moment that Jim and his best frie...

Baby Dinosaurs at Playgroup

By Mark Haddon

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Gilbert s Gobstopper

By Mark Haddon

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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.