Tracy Subisak Books

Cy the Cyclops can make just about anything... except a friend. Even practicing skills such a making eye contact and winking doesn’t seem to help. Then Cy remembers that it’s nice to...

Wood, Wire, Wings

By Kirsten W. Larson Illustrated By Tracy Subisak

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Meet self-taught engineer Emma Lilian Todd as she tackles one of the greatest challenges of the early 1900s: designing an airplane.Emma Lilian Todd's mind was always soaring--she loved to solve pro...

Wood, Wire, Wings

By Kirsten W. Larson

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This riveting nonfiction picture book biography explores both the failures and successes of self-taught engineer Emma Lilian Todd as she tackles one of the greatest challenges of the early 1900s: d...

Wood Wire Wings Kiwi Custom Edition

By Kirsten W. Larson, Tracy Subisak

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This Book Is Not for You!

By Shannon Hale Illustrated By Tracy Subisak

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From New York Times bestselling and Newbery Honor–winning author Shannon Hale and award-winning illustrator Tracy Subisak, comes a zany picture book that pokes fun at overly gendered notions...

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.