Schealer, John M
Chronological Checklist
- Zip-Zip and His Flying Saucer (New York: E P Dutton, 1956)
- Zip-Zip Goes to Venus Dutton (New York: E P Dutton, 1958)
- The Sycamore Warrior: A Mystery of Ancient Egypt (New York: E P Dutton, 1960)
- Zip-Zip and the Red Planet (New York: E P Dutton, 1961)