Question: Upon which book series is the British television detective drama in which Laura Howard played the role of Cully Barnaby based?
Sentence (from "Barnaby Jones"): William Conrad guest-starred as Frank Cannon of "Cannon" on the first "Barnaby Jones" episode, "Requiem for a Son", and the 1975 two-part crossover episodes, "The Deadly Conspiracy".
Relevant evidence: No