SIR TERRY PRATCHETT is the acclaimed creator of the bestselling
Discworld series. He was appointed OBE and a Knight Bachelor in
recognition of his services to literature. He died in 2015.
IAN STEWART is a Fellow of the Royal Society, a professor of mathematics at the University of Warwick, and the author of numerous books on math and popular science, as well as science fiction novels co-authored with Jack Cohen.
JACK COHEN is a professor of biology and an honorary professor of mathematics at the University of Warwick, and has co-authored several books with Ian Stewart.
"Stewart, Cohen and Pratchett set out to puzzle us and make us
think differently.... This is exhilarating." --A. S. Byatt, New
"Fascinating and entertaining. . . . It's baffling why this appealingly distinctive offshoot of the wildly popular Discworld yarns took so long to cross the Atlantic." -Kirkus Reviews