**The Saga of the Return to the Moon, This Time to Stay—and the Technological Problems are the *Simplest* to Solve. Science Fiction by Two Scientists Who Know Both Science and the Ways of Government Bureaucracies. ** *Praise for Travis S. Taylor* “[ *Warp Speed* ] reads like Doc Smith writing Robert Ludlum. . . .You won’t want to put it down.” — **John Ringo** “In the tradition of Golden Age SF . . . explodes with inventive action . . . dazzling . . . cutting-edge scientific possibilities. . . .” — *Publishers Weekly* *Praise for Les Johnson:* “. . . *Solar Sails: A Novel Approach to Interplanetary* *Travel* . . . convincingly captures the history of ideas about solar sails, their current state of play and their future promise. … Suitable for aerospace students and keen enthusiasts alike. . . .” — **Stuart Clark** , *Nature* ** “I can recommend this book [ *Living* *Off the Land* *in Space: Green Roads to the Cosmos* ] to everyone interested in the future of space exploration.” — **Claude Semay** , *Physicalia*