Mitch Krpata Books

The lost expedition

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Unable to read their map, Oliver, Maya, and Jorge soon find themselves lost in Poptropica with Octavian hot on their trail.

We find Mya, Oliver, and Jorge in the custody of a secret society whose mission is to protect and preserve Poptropica--a mysterious, uncharted island world. These Protectors, as they call themselve...

Poptropica

By Mitch Krpata

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Following the epic penultimate conclusion of The Secret Society, Oliver, Mya, and Jorge find themselves at an impasse: The Protectors' headquarters lie in ruins; the nefarious Octavian is nowhere t...

La sociedad secreta

By Mitch Krpata

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"En este libro, tercera entrega de la serie Poptrópica, volvemos a encontrarnos a Oliver, Mya y Jorge, tres amigos cuyas aventuras mantienen al lector en vilo. Estos chicos siempre están ocupados i...

The Lost Expedition

By Mitch Krpata

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Poptropica 2. la Expedicion Perdida

By Mitch Krpata, Kory Merrit

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End of Time

By Mitch Krpata

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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.