Series	Top
Moon
Step To the Stars (1954)
Mission To the Moon (1956)
Moon of Mutiny (1961)
Novels	Top
And Some Were Human (1948)
Marooned on Mars (1952)
Rocket Jockey (1952) (writing as Philip St. John)
Attack from Atlantis (1953)
Battle on Mercury (1953) (writing as Eric van Lhin)
The Mysterious Planet (1953) (writing as Kenneth Wright)
Rockets to Nowhere (1954) (writing as Philip St. John)
The Year After Tomorrow (1954) (with Carl Carmer and Cecile Matschat)
Preferred Risk (1955) (writing as Edson McCann)
Nerves (1956)
Police Your Planet (1956) (writing as Eric van Lhin)
The Cave of Spears (1957)
Robots and Changelings (1958)
Day of the Giants (1959)
Tunnel Through Time (1960)
The Eleventh Commandment (1962)
Outpost of Jupiter (1963)
Mortals and Monsters (1965)
The Runaway Robot (1965)
The Infinite Worlds of Maybe (1966)
Rocket from Infinity (1966)
The Scheme of Things (1966)
Siege Perilous (1966)
Prisoners of Space (1968)
The Man without a Planet (1969)
Pstalemate (1971)
Gods and Golems (1973)
The Sky Is Falling (1973)
Badge of Infamy (1976)
Weeping May Tarry (1978) (with Raymond F Jones)
Collections	Top
Early Del Rey (1936)
The Sky Is Falling / Badge of Infamy (1963)
The Early Del Rey Volume 2 (1976)
The Best of Lester Del Rey (1978)
Anthologies edited	Top
Best Science Fiction of the Year Fourth Annual Collection (1977)
Once upon a Time: A Treasury of Modern Fairy Tales (1991) (with Risa Kessler)
Non fiction	Top
The World of Science Fiction, 1926-1976: The History of a Sub-Culture (1979)
Anthologies containing stories by Lester del Rey	Top
Dangerous Visions 1 (1967)
Science Fiction Hall of Fame Volume 1 (1970)
3000 Years of Fantasy and Science Fiction (1972)
Modern Science Fiction (1974)
The Great SF Stories 7: 1945 (1982)
Robots: Isaac Asimov's Wonderful Worlds of Science Fiction Volume 9 (1988)
The Mammoth Book of Golden Age Science Fiction: Short Novels of the 1940s (1989)
My Favorite Science Fiction Story (1998)
Short stories	Top
Helen O'Loy (1938)
The Day Is Done (1939)
Dark Mission (1940)
The Pipes of Pan (1940)
The Smallest God (1940)
Hereafter, Inc. (1941)
Nerves (1942)
The Wings of Night (1942)
Kindness (1944)
Though Dreamers Die (1944)
Into Thy Hands (1945)
Instinct (1952)
Evensong (1967)
I am Tomorrow
Mind of Tomorrow