Leonardo makes a deal with God to get out of purgatory.

For nearly three centuries Leonardo da Vinci's work was known primarily through the abridged version of his Treatise on Painting, first published in Paris in 16

A Wall Street Journal Book of the Year A Spectator Book of the Year “A truly intimate portrait of one of the greatest creators in human history,” this biogr

"A considerable work of assimilative scholarship and common sense...races along merrily."—The Boston Globe A lively biography of the high genius of the renais

This book reinterprets Leonardo da Vinci's mechanical design work, revealing a new level of sophistication not recognized by art historians or engineers. The bo