Tim Clifford

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Space

Let's Explore Science (Series)

Tim Clifford Author
(2007)

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American Coins and Bills

Study of Money (Series)

Tim Clifford Author
(2008)

cover image of Around the World with Money

Around the World with Money

Study of Money (Series)

Tim Clifford Author
(2008)

cover image of Energy

Energy

Let's Explore Science (Series)

Tim Clifford Author
(2007)

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Forensic Scientist

Jobs That Rock Graphic Illustrated (Series)

Tim Clifford Author
(2009)

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Geology

Let's Explore Science (Series)

Tim Clifford Author
(2007)

cover image of How Coins and Bills Are Made

How Coins and Bills Are Made

Study of Money (Series)

Tim Clifford Author
(2008)

cover image of Descubre el mundo de las ciencias Enciclopedia, Volumen 7

Descubre el mundo de las...

Tim Clifford Author
(2003)

cover image of Descubre el mundo de las ciencias Enciclopedia, Volumen 4

Descubre el mundo de las...

Tim Clifford Author
(2003)

cover image of Descubre el mundo de las ciencias Enciclopedia, Volumen 8

Descubre el mundo de las...

Tim Clifford Author
(2003)

cover image of Money Through the Ages

Money Through the Ages

Study of Money (Series)

Tim Clifford Author
(2008)

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Our Economy in Action

Study of Money (Series)

Tim Clifford Author
(2008)

cover image of Paying Without Money

Paying Without Money

Study of Money (Series)

Tim Clifford Author
(2008)

cover image of Rourke's World of Science Encyclopedia, Volume 7

Rourke's World of Science...

Tim Clifford Author
(2007)

cover image of Rourke's World of Science Encyclopedia, Volume 4

Rourke's World of Science...

Tim Clifford Author
(2007)

cover image of Rourke's World of Science Encyclopedia, Volume 8

Rourke's World of Science...

Tim Clifford Author
(2007)

cover image of American Coins and Bills

American Coins and Bills

The Study of Money (Series)

Tim Clifford Author
Britannica Digital Learning Editor
(2013)

cover image of How Coins and Bills Are Made

How Coins and Bills Are Made

The Study of Money (Series)

Tim Clifford Author
Britannica Digital Learning Editor
(2013)

cover image of Money through the Ages

Money through the Ages

The Study of Money (Series)

Tim Clifford Author
Britannica Digital Learning Editor
(2013)

cover image of Mountaineer

Mountaineer

Jobs That Rock (Series)

Britannica Digital Learning Editor
Tim Clifford Author
(2013)

cover image of Paying Without Money

Paying Without Money

The Study of Money (Series)

Tim Clifford Author
Britannica Digital Learning Editor
(2013)

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Safari Guide

Jobs That Rock (Series)

Britannica Digital Learning Editor
Tim Clifford Author
(2013)

cover image of El espacio (Space)

El espacio (Space)

Let's Explore Science (Series)

Tim Clifford Author
(2014)

cover image of La energia (Energy)

La energia (Energy)

Let's Explore Science (Series)

Tim Clifford Author
(2014)

cover image of Around the World With Money

Around the World With Money

Studying Food Webs (Series)

Tim Clifford Author
(2008)

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The Middle School Writing...

Maupin House (Series)

Tim Clifford Author
(2013)