1. Crystal mountain Title: Crystal mountain Date: 1955 Author: Rugh Illustrator: Illus. by Ernest H. Shepard Collecting Area: Mathes Childrens Literature
2. The Secret panel Title: The Secret panel Date: 1946 [1969] Author: Dixon Collecting Area: Mathes Childrens Literature
3. The Bobbsey Twins in Echo Valley Title: The Bobbsey Twins in Echo Valley Date: 1943 [1946] Author: Hope Illustrator: Illus. by Marie Schubert Collecting Area: Mathes Childrens Literature
4. The Mystery gatepost Title: The Mystery gatepost Date: 1964 Author: Bothwell Illustrator: Illus. by Lilian Obligado Collecting Area: Mathes Childrens Literature
5. Treasure at first base Title: Treasure at first base Date: 1950 Author: Clymer Illustrator: Illus. by Maurice Rawson Collecting Area: Mathes Childrens Literature
6. The Ghost of Follonsbee's Folly Title: The Ghost of Follonsbee's Folly Date: 1958 Author: Hightower Illustrator: Illus. by Ati Forberg Collecting Area: Mathes Childrens Literature
7. Captain ghost Title: Captain ghost Date: 1959 Author: Bell Illustrator: Illus. by Corydon Bell Collecting Area: Mathes Childrens Literature
8. The Sherwood ring Title: The Sherwood ring Date: 1958 Author: Pope Illustrator: Illus. by Evaline Ness Collecting Area: Mathes Childrens Literature
9. Mystery of the green cat Title: Mystery of the green cat Date: 1957 Author: Whitney Illustrator: Illus. by Richard Horwitz Collecting Area: Mathes Childrens Literature