- Author: Leland Sapiro Author Record # 66521
- Birthdate: 14 April 1924
- Deathdate: 8 October 2013
- Language: English
- Webpages: Fancyclopedia 3, file770.com, SF Site, SFE
- Used These Alternate Names: Yogi Borel
- Additional Biographical Data: Bio:Leland Sapiro
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Magazine Editor Series
- Riverside Quarterly
- Riverside Quarterly - Volume 1, 1964-1965 (1964)
- Riverside Quarterly - Volume 2, 1966-1967 (1966)
- Riverside Quarterly - Volume 3, 1967-1969 (1967)
- Riverside Quarterly - Volume 4, 1969-1971 (1969)
- Riverside Quarterly - Volume 5, 1971-1973 (1971)
- Riverside Quarterly - Volume 6, 1973-1977 (1973)
- Riverside Quarterly - Volume 7, 1980-1985 (1980)
- Riverside Quarterly - Volume 8, 1986-1991 (1986)
- Riverside Quarterly - Volume 9, 1992-1993 (1992)
- Letter (Rhodomagnetic Digest, October 1962) (1962)
- Technique As Creation (1962)
- The Mystic Renaissance in Astounding Stories (Part 2 of 3) (1962)
- Lovecraft: A Symposium (1963) with Arthur Jean Cox and Fritz Leiber
- The Faustus Tradition in the Early Science Fiction Story (Part 1 of 3) (1964)
- Selected Letters (The Riverside Quarterly, November 1964) (1964)
- The Faustus Tradition in the Early Science Fiction Story (Part 2 of 3) (1964)
- The RQ Recommends (The Riverside Quarterly, November 1964) (1964)
- The Faustus Tradition in the Early Science Fiction Story (Part 3 of 3) (1965)
- Letter (Trumpet #3) (1965)
- The Mystic Renaissance (Part 1 of 3) (1966)
- The Vintage Season (1966)
- The Mystic Renaissance (Part 2 of 3) (1966)
- Selected Letters (Riverside Quarterly, March 1967) (1967)
- The Mystic Renaissance, Part 3 of 3 (1967)
- A Satanic Bible (1967) [only as by Yogi Borel]
- Riverside Miscellany (Riverside Quarterly, August 1967) (1967)
- Selected Letters (Riverside Quarterly, August 1967) (1967)
- Selected Letters (Riverside Quarterly, March 1968) (1968)
- Letter (ERB-dom, August 1968) (1968)
- Notes on Science Fiction and the Symbolist Traditions (1969) [only as by Yogi Borel]
- Letter (SF Commentary 4) (1969)
- Philip Jose Farmer's "The Lovers" (1969)
- Selected Letters (Riverside Quarterly, August 1969) (1969) with James L. Hockenhull and uncredited [only as by Yogi Borel and James Hockenhull and uncredited]
- Letter to Science Fiction Review, October 1969 (1969)
- Cassilda in Tsagoroth (1970) with Robert A. W. Lowndes [only as by Robert Lowndes and Leland Sapiro]
- Clichés in the Old Super-Science Story (Part 1 of 3) (1971)
- Clichés in the Old Super-Science Story (Part 2 of 3) (1972)
- Clichés in the Old Super-Science Story (Part 3 of 3) (1972)
- Books Received (but not appreciated) (1973)
- Over the Transom and Far Away (1973)
- Illiteracy, Inc. (1973)
- Selected Letters (Riverside Quarterly, August 1973) (1973)
- Selected Letters (Riverside Quarterly, April 1974) (1974)
- Letter (SF Commentary 41/42) (1975)
- Selected Letters (Riverside Quarterly, August 1975) (1975)
- The Red and the Black (1975) [only as by Yogi Borel]
- RQ Miscellany (Riverside Quarterly, December 1977) (1977)
- Selected Letters (1977)
- Letter (Science Fiction Review #25) (1978)
- Selected Letters (Riverside Quarterly, May 1983) (1983) [only as by Yogi Borel]
- Selected Letters (Riverside Quarterly, August 1991) (1991)
- Selected Letters (Riverside Quarterly, August 1992) (1992)
- H. P. Lovecraft: A Symposium (1997) with Robert Bloch and Arthur Jean Cox and August Derleth and Fritz Leiber and Sam Russell
- 10th Annual Edition: The Year's Best SF (1966) by Judith Merril
- The Vintage Anthology of Science Fiction (1966) by Christopher Cerf
- The Three Stigmata of Palmer Eldritch (1967) by Philip Dick [only as by Yogi Borel]
-
The Lovers (1969)
by
Philip José Farmer?Philip Jose Farmer
- Shadows of Imagination: The Fantasies of C. S. Lewis, J. R. R. Tolkien, and Charles Williams (1970) by Mark R. Hillegas
- The Gods of Foxcroft (1973) by David Levy
- Arena: Sports SF (1977) by Ed Ferman and Barry Malzberg