Wormser authored several novelisations of films
- Thief of Baghdad 1961
- The Last Days of Sodom and Gomorrah 1962
- McLintock! 1963
- Bedtime Story 1964
- Operation Crossbow 1965
- Major Dundee 1965
- Alvarez Kelly 1966
- Torn Curtain 1966
- The Scalphunters 1968
and four novels based on TV series,three as "Ed Friend":
- The Green Hornet: The Infernal Light 1967, adaptation (Dell)
- The High Chaparral: Coyote Gold 1969, original (Tempo)
- The Most Deadly Game: The Corpse in the Castle 1970, original (Lancer)
and one as Richard Wormser:
- The Wild Wild West 1966, adaptation (Signet)