Star Trek: The Eugenics Wars

Star Trek: The Eugenics Wars is a trilogy of novels by Greg Cox, published by Pocket Books between and , about the life of Khan Noonien Singh.
The first two novels detail Khan's creation, childhood, rise to power, fall from power, and reasons for leaving Earth on the DY-100 class sleeper ship in 1996, which was later found by the crew of the in 2267. 
The third novel takes place between the first season episode and , and details Khan's life while he was marooned on Ceti Alpha V. It also explains how Khan knew Chekov.
== Novels ==
# The Rise and Fall of Khan Noonien Singh, Volume One
# The Rise and Fall of Khan Noonien Singh, Volume Two
# To Reign in Hell: The Exile of Khan Noonien Singh
== Background information ==
* The origin for this series stemmed from a throwaway line author Greg Cox included in his previous Gary Seven novel, Assignment: Eternity. "I had no intention of going any further with the idea," Cox noted, "until [Pocket editor] John Ordover called me up and asked, 'So, you want to write that book?' Suddenly, I was in the Khan business…". ()
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Eugenics Wars