1. The Cave in the mountains Title: The Cave in the mountains Date: 1916 [1935?] Penrose Collecting Area: Mathes Childrens Literature
2. The Secret of the caves Title: The Secret of the caves Date: 1964 [1971] Author: Dixon Collecting Area: Mathes Childrens Literature
3. Ghost town treasure Title: Ghost town treasure Date: 1957 Author: Bulla Illustrator: Illus. by Don Freeman Collecting Area: Mathes Childrens Literature
4. The Cave of spears Title: The Cave of spears Date: 1957 Author: Del Ray Illustrator: Illus. by Frank Nichols Collecting Area: Mathes Childrens Literature
5. The Rover boys on the Great Lakes, or The Secret of the island cave Title: The Rover boys on the Great Lakes, or The Secret of the island cave Date: 1901 Author: Winfield Illustrator: [Illus. by W.B. Bridge and Stacy Burch] Collecting Area: Mathes Childrens Literature
6. The Secret of the stone frog Title: The Secret of the stone frog Date: 1959 Author: Snow Illustrator: Illus. by Raymond Burns Collecting Area: Mathes Childrens Literature
7. The Secret of Turkeyfoot Mountain, by Eda and Richard Crist Title: The Secret of Turkeyfoot Mountain, by Eda and Richard Crist Date: 1957 Author: Crist Illustrator: Illus. by Richard Crist Collecting Area: Mathes Childrens Literature
8. Tory hole Title: Tory hole Date: 1940 [1958] Author: Tharp Illustrator: Illus. by Jessie Robinson Collecting Area: Mathes Childrens Literature
9. The Mellops go spelunking Title: The Mellops go spelunking Date: 1963 Author: Ungerer Illustrator: Illus. by Tomi Ungerer Collecting Area: Mathes Childrens Literature
10. The Diamond cave mystery Title: The Diamond cave mystery Date: 1956 [1964] Author: Nesbit [Folsom] Illustrator: Illus. by Paul Frame Collecting Area: Mathes Childrens Literature