Rick Riordan Books

Percy Jackson and the Olympians, Book One: Lightning Thief, The-Percy Jackson and the Olympians, Book One

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The #1 New York Times Bestseller | Now a series on Disney+ 12-year-old Percy Jackson discovers he is the son of Poseidon in the opener to the hilarious, fast-paced adventure fantasy series for yo...

Percy Jackson and the Olympians, Book Two: Sea of Monsters, The-Percy Jackson and the Olympians, Book Two

By Rick Riordan

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Cool Book

The Heroes of Olympus Book Four

By Rick Riordan, Nick Chamian

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Percy Jackson s Greek Gods

By Rick Riordan, Jesse Bernstein

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La casa de Hades

By Rick Riordan

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Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death, and help Percy and Annabeth escape the Underworld in the process.

The Heroes of Olympus Book Five

By Rick Riordan, Nick Chamian

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Horrible Histories Groovy Greeks Percy Jackson and the Sword of Hades

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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.