Ken Jennings Books

The Answer Is . . .

By Ken Jennings, Alex Trebek

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Ken Jennings's Trivia Almanac

By Ken Jennings

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The all-time champion and host of Jeopardy! gives you the chance to test your trivia mettle in this ingeniously organized book of 8,888 questions. For example–February 21: In 1912, on this day, Te...

Maps and geography

By Ken Jennings

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"Now you can become a Junior Genius with Ken Jennings' first children's series! With this book about maps and geography, you'll become an expert and wow your friends and teachers with clever facts...

Ten Thousand Horses

By John Stahl Wert, Ken Jennings

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Greater Goal

By Heather Hyde, Ken Jennings

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Serving Leader

By John Stahl Wert, Ken Jennings

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Maps and geography

By Ken Jennings

Average: 0.00, 0 Ratings

"Now you can become a Junior Genius with Ken Jennings' first children's series! With this book about maps and geography, you'll become an expert and wow your friends and teachers with clever facts...

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.