Kathryn Lasky Books

Blood secret

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Fourteen-year-old Jerry Luna, mute since her mother's disappearance, is sent to her great-great aunt Constanza's house, where she discovers a trunk that draws her into the world of her ancestors du...

Blood Secret

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Blood Secret

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Hawksmaid

By Kathryn Lasky

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In twelfth-century England, Matty grows up to be a master falconer, able to communicate with the devoted birds who later help her and Fynn, also known as Robin Hood, to foil Prince John's plot to s...

Hawksmaid

By Kathryn Lasky

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Born to Rule

By Kathryn Lasky

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When princesses from some of the most splendid kingdoms of the world gather at summer camp, a special bond forms between the girls of the South Turret and aids them in laying to rest a mystery whil...

Camp Princess 1

By Kathryn Lasky

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Camp Princess 1

By Kathryn Lasky

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Unicorns Get Real

By Kathryn Lasky

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Camp Princess 2

By Kathryn Lasky

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When Princess Gundersnap learns that her mother, the Empress, has taken her favorite pony to war, she turns to the enchanted tapestry for magical help in saving him and finds that the answer lies w...

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.