Kathleen V. Kudlinski Books

Frank thought that he'd found a new friend--but he never expected a war to come between them.It's 1941 , and Frank is miserable. If only his family had never moved to Hawaii. Everyone and everythin...

Earthquake!

By Kathleen V. Kudlinski

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An hour before dawn on April 18, 1906, Phillip is awakened by the barking of dogs and the fearful whinnying of his father's horses. Moments later, San Francisco is struck by a tremendous earthquake...

Facing West: A Story of the Oregon Trail:Once Upon America

By Kathleen V. Kudlinski

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As his family sets out from Missouri to Oregon, young Ben wonders whether he will have more trouble with the dangers of the journey or his debilitating asthma.

Boy, Were We Wrong About Dinosaurs!

By Kathleen V. Kudlinski

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The ancient Chinese thought they were magical dragons. Scientists thought they could only float on water since they were so big. Boy, were they wrong! Even today, notions about dinosaurs are being...

Helen Keller: A Light for the Blind

By Kathleen V. Kudlinski

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Helen Keller was no ordinary woman. When she was growing up, there were almost no facilities to help handicapped students. Still, she learned to speak, read and write. It wasn't enough to prove th...

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.