| Title | Titolo | Year |
| Mystery At Cranes's Landing | 1964 | |
| Treasure of Crazy Quilt Farm | 1965 | |
| Anne of the Sandwich Islands | 1967 | |
| Librarian with wings | 1967 | |
| Secret of the sunken treasure | 1969 | |
| The Persuaders: Propaganda in War and Peace | 1972 | |
| Fernwood | 1973 | |
| Exploring Black America: A History and Guide | 1975 | |
| Abbey Court | 1977 | |
| Exploring Literary America | 1982 | |
| The White Rose | 1983 | |
| Blazing Star | Carovana per Santa Fe | 1983 |
| Jasmine | 1984 | |
| Wild Laurel | 1985 | |
| Margarite | 1986 | |
| Airlift! the Story of the Military Airlift Command | 1986 | |
| Mistress of Paradise | Padrona del paradiso | 1988 |
| Hippocrene U.S.A. Guide to Black America: A Directory of Historic and Cultural Sites Relating to Black America | 1991 | |
| The Thorn Trees | Un angolo di paradiso | 1991 |