Book details
Monday with a Mad Genius
The Magic Tree House, 2007 by Mary Osborne
on Goodreads (4,732)
Description
In this book, the main characters, Jack and Annie, are sent on a mission to find the 'secrets of happiness' in Renaissance Italy. They meet the legendary scientist and inventor, Leonardo da Vinci and learn about his amazing inventions and ideas. Through their adventure, they discover the true secret of happiness.