num_pages: 1014
description: Contains "Hatter's Castle" (1931), "The Citadel" (1937) and "The Keys to the Kingdom" (1941).
language: English
title: The Cronin Omnibus: Hatter's Castle + The Citadel + The Keys of the Kingdom
titlecomplete: The Cronin Omnibus: Hatter's Castle + The Citadel + The Keys of the Kingdom
ratings_count: 13
publisher: Orion Publishing Co