Wind in Trees - Upheaval is the second book in the Wind In Trees Trilogy featuring Earth in several centuries in the future. Very few humans remain. The day after his wife died, Henry Wind-In-Trees had ended his life with a leap off a cliff. He wakes up 100 years later to find he is one of the more popular exhibits at the Atlanta Museum of Natural History currently run by the Batrans, a reptilian race, who settled the Earth with the aid of a mysterious entity known only as the Soofysh, who killed off most of humanity in a deal with the Batrans. He learns that the Soofysh have come to collect valuable resources mined by the Batrans and human slaves. Henry embarks on a quest to do away with the seemingly invincible Soofysh with the aid of a tribe of Native Americans, a pair of robot companions and the fortuitous discovery of ancient atomic technology. This novel explores the interspecies cooperation needed to over come the oppressors