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The roving park ranger and amateur detective Anna Pigeon investigates a case on Isle Royale. Amidst its barren landscape, a group of researchers observe a group of ravenous wolves.

Anna takes on a position as district park ranger of the Mississippi Natchez Trace Parkway. Once there she faces an angry staff.

Anna is lodged in Yosemite National Park's historic Ahwahnee Hotel when four employees disappear.

History professor Thomas F. Madden serves as the ultimate guide through the fall of ancient Rome.

In this course, Thomas F.

In this course, Saint Louis University professor Thomas F. Madden discusses the history of the Crusades as well as their legacy.

Saint Louis University professor Thomas Madden delivers a series of lectures exploring all facets of the Inquisition, including the religious and political climate of its time and the Inquisition's

Saint Louis University professor Thomas F. Madden delivers lectures on the history of the papacy and also sheds light on the personalities of the popes and the flavor of their pontificates.

Madden explores surprising parallels between the Roman and American republics.