Calvin Coolidge: Thirtieth President of the United States (Encyclopedia of Presidents)
by Zachary Kent
Children's Press (CT); Published: 1988-10; Library Binding; Book
Best price: $98.04

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Nelson Mandela: The Authorized Comic Book
by The Nelson Mandela Foundation
W. W. Norton & Company; Published: 2009-07-18; Hardcover; Book
Best price: $15.91
Price in other shops: $27.95

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Malcolm X: Another Side of the Movement (The History of the Civil Rights Movement)
by Mark Davies
Silver Burdett Pr; Published: 1990-09; Paperback; Book
Best price: $3.50
Price in other shops: $11.00

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Abraham Lincoln (What Made Them Great Series)
by Lee Morgan
Silver Burdett Pr; Published: 1990-07; Library Binding; Book
Price in other shops: $22.00

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Barack Obama: Out of Many, One (Step into Reading)
by Shana Corey
Random House Books for Young Readers; Published: 2009-08-11; Paperback; Book
Best price: $1.36
Price in other shops: $3.99

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A Boy Named FDR: How Franklin D. Roosevelt Grew Up to Change America
by Kathleen Krull
Knopf Books for Young Readers; Published: 2010-12-28; Hardcover; Book
Best price: $9.48
Price in other shops: $17.99

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A Dangerous Engine: Benjamin Franklin, from Scientist to Diplomat (Frances Foster Books)
by Joan Dash
Farrar, Straus and Giroux (BYR); Published: 2005-12-27; Hardcover; Book
Best price: $1.06
Price in other shops: $17.00

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Proceedings of Meeting in Memory of Theodore Roosevelt; Metropolitan Opera House, Philadelphia, Sunday, February 9, 1919
by Philadelphia. Citizens
General Books LLC; Published: 2010-10-14; Paperback; Book
Best price: $14.13
Price in other shops: $14.14

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Cosechando esperanza: La historia de c (Spanish Edition)
by Kathleen Krull
Harcourt Children's Books; Published: 2003-08-01; Hardcover; Book
Best price: $4.34
Price in other shops: $17.00

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Free the Children: A Young Man's Personal Crusade Against Child Labor
by Craig Kielburger, Kevin Major
Harper; Published: 1998-12-30; Hardcover; Book
Best price: $4.99
Price in other shops: $24.00