Full of sparking, speculative invention . . . The Doors of Eden is a terrific timeslip / lost world romp in the grand tradition of Turtledove, Hoyle, even Conan Doyle. If you liked Primeval, read this book -- Stephen Baxter, author of the Xeelee Sequence The Doors of Eden shows a combination of tight, evocative prose combined with erudition. In a story whose scope is the broad canvas of the history of all life in the universe, Tchaikovsky manages to zoom in on human moments without breaking a sweat. Inventive, funny and engrossing, this book lingers long after you close it -- Tade Thompson, award-winning author of Rosewater What a ride . . . talks like big-brained science fiction and runs like a fleet-footed political thriller -- John Scalzi, author of the Old Man's War series With The Doors of Eden, Tchaikovsky has created a fantastic and highly imaginative new genre: evolution SF -- Peter F. Hamilton, author of Exodus: The Archimedes Engine Unlike anything I've read in a very long time, and all the better for it . . . Tchaikovsky is clearly at the top of his game right now -- James Oswald, author of the Inspector McLean series As all right thinking people know, Adrian is the best . . . But this, my friends, is the best of the best -- Ian McDonald, author of Desolation Road Tchaikovskys world-building is some of the best in modern sci-fi and now he has made an enchanting multiverse of parallel Earths * New Scientist *