The book on time travel describing model which made most sense to me for years: http://en.wikipedia.org/wiki/The_Technicolor_Time_Machine http://en.wikipedia.or

The book on time travel describing model which made most sense to me for years: http://en.wikipedia.org/wiki/The_Technicolor_Time_Machine http://en.wikipedia.org/wiki/The_Technicolor_Time_Machine This novel presents a clear use of the restricted action resolution of the Grandfather paradox. The actions of the characters can not have changed the past because the past is what their actions brought about.