Rick Riordan Books

Heroes of Olympus, The Book Three: Mark of Athena, The-Heroes of Olympus, The Book Three

By Rick Riordan

Average: 0.00, 0 Ratings

The Sea of Monsters

By Robert Venditti

Average: 0.00, 0 Ratings

After discovering a secret that makes him question the honor of being the son of Poseidon, demi-god Percy Jackson journeys into the Sea of Monsters in an attempt to save Camp Half-Blood.

Percy Jackson and the Olympians: Sea of Monsters, The: The Graphic Novel

By Rick Riordan

Average: 0.00, 0 Ratings

Percy Jackson and the Olympians: Titan's Curse: The Graphic Novel, The

By Rick Riordan

Average: 0.00, 0 Ratings

Heroes of Olympus, The, Book Four: House of Hades, The-Heroes of Olympus, The, Book Four

By Rick Riordan

Average: 0.00, 0 Ratings

With Percy and Annabeth trapped in Tarturus, The Argo ll races to the House of Hades, hoping to close the doors of Death and save Annabeth and Percy.

House of Hades, The-Heroes of Olympus, The, Book Four: The House of Hades

By Rick Riordan

Average: 0.00, 0 Ratings

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.