Barbara M. Linde 
Thomas Jefferson no firmó la Constitución (Thomas Jefferson Didn“t Sign the Constitution) [PDF ebook] 
Exposing Myths About the Constitutional Convention

When many think of the Constitution, they think of the Founding Fathers: Thomas Jefferson, John Adams, Benjamin Franklin…but neither Jefferson nor Adams even signed it. Facts like this will surprise readers, while further information will enlighten them about both the crucial document called the U.S. Constitution as well as about its creation and ratification. This essential volume is a significant addition to any elementary social studies collection.