Harry Turtledove

Invasione anno zero è un romanzo di fantascienza ucronica di Harry Turtledove del 1994 che costituisce la prima parte del Ciclo dell'invasione.

Worldwar: Striking the Balance is an alternate history and science fiction novel by Harry Turtledove. It is the fourth and final novel of the Worldwar tetralogy, as well as the fourth installment in the extended Worldwar series that includes the Colonization trilogy and the novel Homeward Bound.

Worldwar: Upsetting the Balance is an alternate history and science fiction novel by Harry Turtledove. It is the third novel of the Worldwar tetralogy, as well as the third installment in the extended Worldwar series that includes the Colonization trilogy and the novel Homeward Bound.

Worldwar: Tilting the Balance is an alternate history and science fiction novel of the Worldwar tetralogy, as well as the extended Worldwar series that includes the Colonization trilogy and the novel Homeward Bound.

Jaws of Darkness by Harry Turtledove is the fifth book in the Darkness series.

Justinian, was published in 1998 by Tor Books. It is a novel by American writer Harry Turtledove writing under the pseudonym H. N. Turteltaub, a name he used for a time when writing historical fiction.