Reviews Leonardo da Vinci’s Giant Crossbow by Matthew Landrus Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News November 19, 2010 at 11:17 am A da Vinci expert takes a technical look at the design and engineering underlying one of the artist’s most popular but least understood drawings. LEONARDO DA VINCI’S GIANT CROSSBOW BY MATTHEW LANDRUS Springer, 2010, 180 p., $59.95.