Secret of Killimooin

Prince Paul, still attending the same boarding school as Jack and Mike Arnold, invites them and their sisters, Peggy and Nora, to his palace in Baronia for the holidays; but it is so hot there in the roasting summer that the entire royal household adjourns to their castle up in the mountains. Bands of robbers are marauding the countryside, terrorizing the local people with their savagery, and Paul...