Lisa Fiedler Books

Althought Felina the cat queen is gone, the subway tunnels are still dangerous, not only because of Hopper's rogue brother Pup and his arachnid companion Hacklemesh, but also due to a secret Firren...

Return of the Forgotten

By Vivienne To, Lisa Fiedler

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Return of the Forgotten

By Vivienne To, Lisa Fiedler

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Fiery Friendship

By Sebastian Giacobino, Gabriel Gale, Lisa Fiedler

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Dark Descent

By Sebastian Giacobino, Gabriel Gale, Lisa Fiedler

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Curtain up

By Lisa Fiedler

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After 12-year-old Anya is cut from her middle school soccer team, she decides to pursue her true passion, which is theater. With the help of her sister and new friend Austin, Anya puts together a k...

Hopper s Destiny

By Lisa Fiedler

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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.