One Plus One Equals One: Symbiosis and the Evolution of Complex Life
By John Archibald. Oxford University Press, 2015

ASAP Science: Answers to the World’s Weirdest Questions, Most Persistent Rumors, and Unexplained Phenomena
By Mitchell Moffit and Greg Brown. Scribner, 2015

Naturalists in Paradise: Wallace, Bates and Spruce in the Amazon
By John Hemming. Thames and Hudson, 2015

Water to the Angels: William Mulholland, His Monumental Aqueduct, and the Rise of Los Angeles
By Les Standiford. Ecco, 2015

The Last Unicorn: A Search for One of Earth’s Rarest Creatures
By William deBuys. Little, Brown and Company, 2015

Galileo’s Telescope: A European Story
By Massimo Bucciantini, Michele Camerota and Franco Guidice. Harvard University Press, 2015