num_pages: 117
description: Alvin Fernald, boy detective, combines his Magnificent Brain with a summer theater's costume collection to solve a mystery involving hidden treasure and a secret cave.
language: English
title: Alvin Fernald, Master of a Thousand Disguises
titlecomplete: Alvin Fernald, Master of a Thousand Disguises
genres: Mystery
ratings_count: 30
series: Alvin Fernald
publisher: Henry Holt & Co