- Author: Jay Williams Author Record # 380
- Legal Name: Williams, Jay
- Birthplace: Buffalo, New York, USA
- Birthdate: 31 May 1914
- Deathdate: 12 July 1978
- Language: English
- Webpages: Library of Congress, sf-encyclopedia.com, Wikipedia-EN
- Used These Alternate Names: Michael Delving
- Author Tags: juvenile sf (1), Merril02 (1), Merril05 (1), twist ending (1), dangerous animals (1), interstellar travel (1), story within a story (1), space cadets (1), A rose by any other name (1), juvenile fantasy (1)
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Novels
- Danny Dunn and the Anti-Gravity Paint (1956) with Raymond Abrashkin
- Danny Dunn and the Automatic House (1965) with Raymond Abrashkin
- Danny Dunn and the Fossil Cave (1961) with Raymond Abrashkin
- Danny Dunn and the Heat Ray (1962) with Raymond Abrashkin
- Danny Dunn and the Homework Machine (1958) with Raymond Abrashkin
- Danny Dunn and the Smallifying Machine (1969) with Raymond Abrashkin
- Danny Dunn and the Swamp Monster (1971) with Raymond Abrashkin
- Danny Dunn and the Universal Glue (1977) with Raymond Abrashkin
- Danny Dunn and the Voice from Space (1967) with Raymond Abrashkin
- Danny Dunn and the Weather Machine (1959) with Raymond Abrashkin
- Danny Dunn on a Desert Island (1957) with Raymond Abrashkin
- Danny Dunn on the Ocean Floor (1960) with Raymond Abrashkin
- Danny Dunn, Invisible Boy (1974) with Raymond Abrashkin
- Danny Dunn, Scientific Detective (1975) with Raymond Abrashkin
- Danny Dunn, Time Traveler (1963) with Raymond Abrashkin
- The Hawkstone (1971)
- The Hero from Otherwhere (1972)
- The Magic Grandfather (1979)
- The People of the Ax (1974)
- The Time of the Kraken (1977)
- The Witches (1957)
- UNIAD (1968)
- The Practical Princess and Other Liberating Fairy Tales (1983)
- Unearthly Beasts and Other Strange People (1979)
- Everyone Knows What a Dragon Looks Like (1976)
- Petronella (2000)
- The City Witch and the Country Witch (1979)
- The King with Six Friends (1968)
- Voyage to the Moon (1977) with Jules Verne
- Beast of Prey (1957)
- Everyone Knows What a Dragon Looks Like (1976)
- False Image (1958)
- Forgetful Fred (1978)
- Gifts of the Gods (1962)
- Happy Pill (1979)
- Interplanetary Sex (1962)
- Little Tin God (1957)
- Mr. Guthrie's Cold War (1954)
- Operation Ladybird (1959)
- Petronella (1973)
- Philbert the Fearful (1978)
- Recoil (1974)
- Seed of Violence (1958)
- Somebody to Play With (1961)
- Stupid Marco (1978)
- The Asa Rule (1956)
- The Beetle (1961)
- The City Witch and the Country Witch (1979)
- The Fear Shouter (1979)
- The King with Six Friends (1968)
- The Monster of the Glen (1979)
- The Outside Job (1979)
- The Practical Princess (1971)
- The Silver Whistle (1978)
- Trial by Combat (1979)
- Voyage to the Moon (1977) with Jules Verne