Question: Who is the British-American novelist and playwright whose novel inspired this Japanese anime series produced by Nippon Animation in 1988 and broadcast on the "World Masterpiece Theater"?
Sentence (from "List of Porphy no Nagai Tabi episodes"): "Porphy no Nagai Tabi" was directed by Tomomitsu Mochizuki, who doubled as sound director.
Relevant evidence: No