An
audio drama of book 1,
Odyssey, was released by
Caedmon Audio in 1988 on audio cassette, with the voice of
Peter MacNicol. A video game adaptation,
Robot City, was released for PCs in 1995. The player takes the role of the protagonist, Derec, exploring Robot City in a first-person perspective. A 2004 graphic novel, titled ''Isaac Asimov's Derec'' (), adapted parts of the first and second books of the series, and was illustrated by Paul Rivoche and written by Doug Murray. A second volume was planned, but never materialized. ==See also==