Doctor Who: Harvest of Time is a Third Doctor novel by Alastair Reynolds. It features the Third Doctor (as portrayed by Jon Pertwee), Jo Grant, the Master (as portrayed by Roger Delgado), Brigadier Lethbridge-Stewart, and other familiar characters from the Third Doctor era of Doctor Who. Harvest of Time, a BBC Books original novel, was published in June 2013. It was simultaneously released as an eBook and in an unabridged audio version read by Geoffrey Beevers.