Trillion Year Spree: The History of Science Fiction, commonly referred to as Trillion Year Spree, is a 1986 book by Brian W. Aldiss and David Wingrove. The book is an expanded version of Aldiss's 1973 Billion Year Spree: The True History of Science Fiction.
In a review for White Dwarf, Dave Langford called it, "an essential reference and a good read."[1]