Tim Polzer Books

Quarterback power
Quarterback power

By Tim Polzer

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A look at some of today's best quaterbacks.

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National Football League playmakers reader
National Football League playmakers reader

By Tim Polzer, Fiona Simpson

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A reader featuring short biographies of six of the NFL's most popular players.

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Super Bowl Stories Nfl
Super Bowl Stories Nfl

By Tim Polzer

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Rising stars
Rising stars

By Tim Polzer

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Short biographies of six of the NFL's rising stars.

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Defense
Defense

By Tim Polzer

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"Find out what makes these six NFL defensive players the best!"--back cover.

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Tim Tebow
Tim Tebow

By Tim Polzer

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Provides a brief introduction to the life and career of quarterback Tim Tebow.

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Super Bowl Dk Readers Level 4
Super Bowl Dk Readers Level 4

By Tim Polzer

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Super Bowl DK Readers Level 4
Super Bowl DK Readers Level 4

By Tim Polzer

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Peyton Manning
Peyton Manning

By Tim Polzer

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NFL
NFL

By DK Publishing, Tim Polzer

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An introduction to basic skills, tactics, and key positions of football, with tips from professional players.

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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.

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