Analog Science Fiction and Fact, April 2016 [110 pages, English] of Analog Science Fiction and Fact, April 2016 by M.L. Clark and Maggie Clark and Edward M. Lerner and Rosemary Claire Smith and Stephen L. Burns and Stephen R. Wilk and Martin L. Shoemaker and Eric Choi and Robert Frazier and Mark C. Childs and Rich Larson