Lisa McMann Books

The Invisible Spy (The Forgotten Five, Book 2)

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X-Men meets Spy Kids in the thrilling second installment in The Forgotten Five fantasy/adventure series that began with the instant New York Times bestseller Map of Flames.The forgotten five have m...

Dangerous Allies (The Forgotten Five, Book 4)

By Lisa McMann

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X-Men meets Spy Kids in the fourth installment of The Forgotten Five middle-grade fantasy/adventure series by the New York Times bestselling author of The Unwanteds.Following an explosive show...

Masters of Disguise (The Forgotten Five, Book 6)

By Lisa McMann

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X-Men meets Spy Kids in the sixth installment of The Forgotten Five middle-grade fantasy/adventure series by the New York Times bestselling author of The Unwanteds.The Forgotten Five and their...

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.