Gloria Skurzynski Books

Valley of death

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The Landon family makes a trip to Death Valley National Park accompanied by a mysterious new foster child, fourteen-year-old Leesa Sherman.

Escape from fear

By Gloria Skurzynski

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While at St. John National Park in the Virgin Islands for a seminar on coral reefs, the Landons help a wealthy thirteen-year-old to find his birth mother, who he believes is in danger.

Rage of fire

By Gloria Skurzynski

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Jack, Ashley, and their parents visit Hawaii where they meet a Vietnamese boy who is going to live with his American grandfather whom he has never met, and are pursued by the Goddess Pele.

Mystery of the spooky shadow

By Gloria Skurzynski

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The clones

By Gloria Skurzynski

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Fifteen-year-old Corgan, having won the right to live on the Isles of Hiva for his role in winning the Virtual War along with teammates Sharla and Brig, soon finds himself raising the increasingly...

HERE COMES THE MAIL

By Gloria Skurzynski

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The inner workings of the postal system are revealed as the author traces the path of a little girl's letter from her home in New Mexico to her cousin's home in Utah. Includes tips on how to addres...

Good-bye, Billy Radish

By Gloria Skurzynski

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In 1917, as the United States enters World War I, ten-year-old Hank sees change all around him in his western Pennsylvania steel mill town and feels his older Ukrainian friend Billy drifting apart...

Valley Of Death

By Gloria Skurzynski, Alane Ferguson

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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.