Lucy Post Frisbee Books

John Fitzgerald Kennedy: America's Youngest President

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A biography focusing on the childhood of the youngest man ever elected President (though not to become President) and the youngest ever to die in office.

John F. Kennedy Young Statesman

By Lucy Post Frisbee

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John F. Kennedy, America's youngest president

By Lucy Post Frisbee

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A biography focusing on the childhood of the youngest man ever elected President.

John F. Kennedy

By Lucy Post Frisbee

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A look at the childhood of the youngest man ever elected President (though not to become President) and the youngest ever to die in office.

Brigham Young

By Gray Morrow, Polly Carver Jordan, Lucy Post Frisbee

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John F. Kennedy

By Lucy Post Frisbee

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A look at the childhood of the youngest man ever elected President (though not to become President) and the youngest ever to die in office.

John F. Kennedy

By Al Fiorentino, Lucy Post Frisbee

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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.