Star Trek: The Eugenics Wars is a trilogy of novels by Greg Cox explaining the Eugenics Wars, as well as the life and times of Khan Noonien Singh.

• The Rise and Fall of Khan Noonien Singh, Volume 1
• The Rise and Fall of Khan Noonien Singh, Volume 2
• To Reign in Hell: The Exile of Khan Noonien Singh

Although the third novel does not include Star Trek: The Eugenics Wars in its title, it is generally considered, due to its common authorship and story elements, to be the third book of a trilogy.

Stories featuring Khan Noonien Singh
Episodes and movies	"Space Seed" • The Wrath of Khan
Comics	The Wrath of Khan (1 • 2 • 3) • Khan: Ruling in Hell ("The First Six Months" • 2 • 3 • 4)
Novels	"Space Seed" • The Wrath of Khan • The Eugenics Wars (The Rise and Fall of Khan Noonien Singh, Volume 1 • The Rise and Fall of Khan Noonien Singh, Volume 2) • To Reign in Hell: The Exile of Khan Noonien Singh • Seeds of Dissent

Stories featuring Gary Seven
Episode	Assignment: Earth
Miniseries	The Peacekeeper • Convergence • The Eugenics Wars • Assignment: Earth
Comics	The Peacekeeper • Split Infinities • Future Imperiled • Brighter Than a Thousand Suns • Yesterday, Today and Tomorrow • My Name Is Legion • We Have Met the Enemy... • Too Many Presidents • Ah-Ha!
Novels	Assignment: Eternity • The Rise and Fall of Khan Noonien Singh, Volume 1 • The Rise and Fall of Khan Noonien Singh, Volume 2
Short stories	The Aliens Are Coming! • Seven and Seven • Assignment: One • Rocket Man • Time Line