Sturgeon in Orbit

From the back cover of the Pyramid first edition: "Sturgeon is a unique figure in the world of science-fiction and fantasy. Author of many of the best-remembered stories in the field, he has an incomparable mastery of high-keyed emotion and brilliant plotting. STURGEON IN ORBIT displays his talents at their best - from the power and ingenuity of "Extrapolation" to the fast action and adventure of "The Incubi of Parallel X," these stories are prime examples of why Theodore Sturgeon's name is a guarantee of top science-fiction."