Hans Hetrick Books

Super Trivia Collection

By Megan Cooley Peterson, Cheryl Blackford, Danielle S. Hammelef, Connie Colwell Miller, Hans Hetrick

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Big Cats

By Dianna Dorisi Winget, Christine M. Zuchora Walske, Tammy Gagne, Hans Hetrick

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Super Trivia Collection

By Megan Cooley Peterson, Martha E. H. Rustad, Kristi Lew, Connie Colwell Miller, Hans Hetrick

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The Super Bowl

By Hans Hetrick

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"Describes the NFL's Super Bowl championship, including some of the greatest teams, players, and moments from Super Bowl history"--Provided by publisher.

Super Bowl

By Kazuko Collins, Sarah Beckman, Hans Hetrick

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The World Series

By Hans Hetrick

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"Describes MLB's World Series championship, including some of the greatest teams, players, and moments from World Series history"--Provided by publisher.

World Series

By McConnell Robert L., Hans Hetrick

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Winner Takes All

By Mary E. Schulte, Martin Gitlin, Hans Hetrick

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Winner Takes All

By Mary E. Schulte, Martin Gitlin, Hans Hetrick

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Play baseball like a pro: key skills and tips

By Hans Hetrick

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"Provides instructional tips on how to improve one's baseball skills, including quotes and advice from professional coaches and athletes"--Provided by publisher.

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.