
You probably know that Leonardo da Vinci painted the Mona Lisa. Didyou know that he also invented an early version of a helicopter and a tank, and that he planned to execute the Time Warp Trio for spying on his inventions? Sam's bright idea to look for the inventor of the Book...

You probably know that Leonardo da Vinci painted the Mona Lisa. Did you know that he also invented an early version of a helicopter and a tank, and that he planned to execute the Time Warp Trio for spying on his inventions? Sam's bright idea to look for the inventor of the Book...

