Twenty Years of a New Kind of Science - Stephen Wolfram - Stephen Wolfram

Hands Up: Or, Twenty Years of Detective Life in the Mountains and on the Plains; Reminiscences by General D. J. Cook, Superinten/David J. Cook

The Door: My Twenty-Six Years Working Inside Canada\'s Prisons - Vern Thibedeau

Staying Alive: Staying Alive: Surviving Abuse, Fighting a War, and Beating Cancer--My First Twenty-Five Years, Hardcover/James Curry

A Cowboy Detective: A True Story of Twenty-Two Years with a World Famous Detective Agency: Giving the Inside Facts of the Bloody Coeur d\'A/Charles a. Siringo

Twenty Five Magic Years - The Jubilee Album |

Satan\'s Trap, Twenty-Seven Years in the Occult to Conversion - Rob Miller