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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)

All Books in This Series

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Title: What Was the Berlin Wall?, Author: Nico Medina
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What Was the Berlin Wall?
by Nico Medina, Who HQ, Stephen Marchesi (Illustrator)
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Title: What Is the Constitution?, Author: Patricia Brennan Demuth
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What Is the Constitution?
by Patricia Brennan Demuth, Who HQ, Tim Foley (Illustrator)
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eBook $5.99
Title: What Are the Ten Commandments?, Author: Yona Zeldis McDonough
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What Are the Ten Commandments?
by Yona Zeldis McDonough, Who HQ, Tim Foley (Illustrator)
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eBook $5.99
Title: What Was the Underground Railroad?, Author: Yona Zeldis McDonough
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What Was the Underground…
by Yona Zeldis McDonough, Who HQ, Lauren Mortimer (Illustrator)
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Title: What Was the March on Washington?, Author: Kathleen Krull
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What Was the March on…
by Kathleen Krull, Who HQ, Tim Tomkinson (Illustrator)
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eBook $5.99
Title: What Was the Great Depression?, Author: Janet B. Pascal
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What Was the Great Depression?
by Janet B. Pascal, Who HQ, Dede Putra (Illustrator)
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eBook $5.99
Title: What Is Climate Change?, Author: Gail Herman
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What Is Climate Change?
by Gail Herman, Who HQ, John Hinderliter (Illustrator)
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eBook $5.99
Title: What Are the Winter Olympics?, Author: Gail Herman
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What Are the Winter Olympics?
by Gail Herman, Who HQ, Jake Murray (Illustrator)
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eBook $5.99
Title: What Was the Ice Age?, Author: Nico Medina
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What Was the Ice Age?
by Nico Medina, Who HQ, David Groff (Illustrator)
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Title: What Was the Holocaust?, Author: Gail Herman
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What Was the Holocaust?
by Gail Herman, Who HQ, Jerry Hoare (Illustrator)
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Title: What Is the AIDS Crisis?, Author: Nico Medina
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What Is the AIDS Crisis?
by Nico Medina, Who HQ, Tim Foley (Illustrator)
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Title: What Was the Battle of Gettysburg?, Author: Jim O'Connor
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What Was the Battle of…
by Jim O'Connor, Who HQ, John Mantha (Illustrator)
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Title: What Is the Declaration of Independence?, Author: Michael C. Harris
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What Is the Declaration of…
by Michael C. Harris, Who HQ, Jerry Hoare (Illustrator)
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Title: What Was the Harlem Renaissance?, Author: Sherri L. Smith
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What Was the Harlem…
by Sherri L. Smith, Who HQ, Tim Foley (Illustrator)
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Title: What Was the Hindenburg?, Author: Janet B. Pascal
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What Was the Hindenburg?
by Janet B. Pascal, Who HQ, David Groff (Illustrator)
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Title: What Are the Paralympic Games?, Author: Gail Herman
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What Are the Paralympic Games?
by Gail Herman, Who HQ, Andrew Thomson (Illustrator)
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Title: What Is the Civil Rights Movement?, Author: Sherri L. Smith
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What Is the Civil Rights…
by Sherri L. Smith, Who HQ, Tim Foley (Illustrator)
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Title: What Were the Twin Towers?, Author: Jim O'Connor
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What Were the Twin Towers?
by Jim O'Connor, Who HQ, Ted Hammond (Illustrator)
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Title: What Was the Titanic?, Author: Stephanie Sabol
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What Was the Titanic?
by Stephanie Sabol, Who HQ, Gregory Copeland (Illustrator)
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Title: What Was the Age of the Dinosaurs?, Author: Megan Stine
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What Was the Age of the…
by Megan Stine, Who HQ, Gregory Copeland (Illustrator)
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