Peter Lerangis Books

Crimebusters 9 Foul Play Three Investigators Crimebusters

By Peter Lerangis

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The Curse of the King

By Peter Lerangis

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Seven Wonders Book 1: The Colossus Rises

By Peter Lerangis

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Teens Jack, Marco, Aly, and Cass begin a quest to find seven pieces of Atlantis' power that were hidden long ago and that will, if returned to Atlantis, save them from certain death due to the gene...

Seven Wonders Book 4: The Curse of the King

By Peter Lerangis

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Chronicles the adventures of Jack McKinley and his friends as they face their greatest challenge yet -- the long-lost Statue of Zeus. Racing against time to unearth the last four Loculi, Jack and...

The Legend of the Rift

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Seven Wonders Journals: The Select and The Orphan

By Peter Lerangis

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"The Select tells the story of thirteen-year-old Burt Wenders, the first documented carrier of the G7W gene, and his fated voyage to the island that would eventually become home to the Karai Instit...

Seven Wonders Book 2

By Johnathan McClain, Peter Lerangis

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Seven Wonders Book 2

By Torstein Norstrand, Peter Lerangis

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Seven Wonders Book 4

By Johnathan McClain, Peter Lerangis

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Seven Wonders Book 4: The Curse of the King

By Torstein Norstrand, Peter Lerangis

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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.