Grey, Christopher Peter. Leonardo's shadow, or, My astonishinglife as Leonardo da Vinci's servant. 1st ed. New York :Atheneum Books for Young Readers, c2006.
Fifteen-year-old Giacomo, servant to Leonardo da Vinci, helps his procrastinating master finish painting, "The Last Supper,"while also trying to find clues to his parentage and pursue his own career as an artist in late fifteenth-century Milan.