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What Was the Berlin Wall?
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What Was the Berlin Wall?
by Nico Medina, Who HQ, Stephen Marchesi (Illustrator)
What Is the Supreme Court?
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What Is the Supreme Court?
by Jill Abramson, Who HQ, Gregory Copeland (Illustrator)
What Is the Constitution?
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What Is the Constitution?
by Patricia Brennan Demuth, Who HQ, Tim Foley (Illustrator)
What Was the Tulsa Race Massacre of 1921?
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What Was the Tulsa Race Massacre of 1921?
by Caleb Gayle, Who HQ, Tim Foley (Illustrator)
What Are the Ten Commandments?
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What Are the Ten Commandments?
by Yona Zeldis McDonough, Who HQ, Tim Foley (Illustrator)
What Are the Summer Olympics?
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What Are the Summer Olympics?
by Gail Herman, Who HQ, Stephen Marchesi (Illustrator)
What Was the Great Molasses Flood of 1919?
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What Was the Great Molasses Flood of 1919?
by Kirsten Anderson, Who HQ, Dede Putra (Illustrator)
What Was the Underground Railroad?
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What Was the Underground Railroad?
by Yona Zeldis McDonough, Who HQ, Lauren Mortimer (Illustrator)
What Is LEGO?
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What Is LEGO?
by Jim O'Connor, Who HQ, Ted Hammond (Illustrator)
What Is the Stanley Cup?
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What Is the Stanley Cup?
by Gail Herman, Who HQ, Gregory Copeland (Illustrator)
What Is Congress?
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What Is Congress?
by Jill Abramson, Who HQ, David Malan (Illustrator)
What Was the March on Washington?
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What Was the March on Washington?
by Kathleen Krull, Who HQ, Tim Tomkinson (Illustrator)
What Was the Great Depression?
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What Was the Great Depression?
by Janet B. Pascal, Who HQ, Dede Putra (Illustrator)
What Is the World Cup?
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What Is the World Cup?
by Bonnie Bader, Who HQ, Stephen Marchesi (Illustrator)
What Is Climate Change?
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What Is Climate Change?
by Gail Herman, Who HQ, John Hinderliter (Illustrator)

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Title: What Was Pompeii?, Author: Jim O'Connor
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What Was Pompeii?
by Jim O'Connor, Who HQ, John Hinderliter (Illustrator)
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eBook $6.99
Title: What Was D-Day?, Author: Patricia Brennan Demuth
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What Was D-Day?
by Patricia Brennan Demuth, Who HQ, David Grayson Kenyon (Illustrator)
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eBook $7.99
Title: What Was World War I?, Author: Nico Medina
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What Was World War I?
by Nico Medina, Who HQ, Dede Putra (Illustrator)
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eBook $7.99
Title: What Was the Gold Rush?, Author: Joan Holub
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What Was the Gold Rush?
by Joan Holub, Who HQ, Tim Tomkinson (Illustrator)
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eBook $5.99
Title: What Is NASA?, Author: Sarah Fabiny
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What Is NASA?
by Sarah Fabiny, Who HQ, Ted Hammond (Illustrator)
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eBook $5.99

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