The Louisiana Purchase doubled the size of the United States in 1803 and it increased the wealth and strength of the nation. In addition, it was a great bargain! Readers follow along with three friends named Mia, Ben, and Sam as they use a time machine to travel back to the days of this historic transaction. Engaging dialogue and friendly characters hold the attention of enthusiastic and developing readers alike. Informative content reinforces key social studies concepts, making this an amusing guide that supports important curricular topics.