On April 18, 1775, Paul Revere went for the ride of his life. He was an American Patriot who fought for freedom.

Who is the president of the United States and what does he do? Who does he work with? Who elects him? Read the book to find out the answers.

Computers are very important tools that help us learn more about our world. Read two opinions about the most important uses of computers.

Magnets pull and magnets push. Read to find out how magnets make things move.

Luca is watching the Fourth of July fireworks when his sister's time machine sends them into the past. Can they get back to the future?