Looking to the future through the lens of the past, here is a second fantastic collection of over 30 typically anarchic mash-ups that push the boundaries of steampunk from the same editor of the bestselling Mammoth Book of Steampunk. Includes an introduction by Ann VanderMeer, along with stories by Tobias S. Buckell, A.C. Wise, Cherie Priest, Jay Lake, Benjanun Sriduangkaew, Christopher Barzak, Carrie Vaughn, Jonathan Wood, Chris Roberson, C.S.E. Cooney, E. Catherine Tobler, Alex Dally MacFarlane, Gord Sellar, Tony Pi, Aliette de Bodard, Nisi Shawl, Lisa L. Hannett, Genevieve Valentine, Sofia Samatar, Caitlin R. Kiernan, Cat Rambo, K.W. Jeter, Margaret Ronald, Samantha Henderson, and Ken Liu.