Introduction to The Best of Eric Frank Russell...... Del-Rey, 1978
Introduction to Walt Disney's Animated Features....Abbeville Press, 1989
White Hole #1 - film & media reviews......Rigel magazine, Summer, 1981
White Hole #2 - film & media reviews.........Rigel, Fall 1981
White Hole #3 - film & media reviews.........Rigel, Winter 1981
White Hole #4 - film & media reviews.........Rigel, Spring 1982
White Hole #5 - film & media reviews.........Rigel, Fall 1982
White Hole #6 - film & media reviews.........Rigel, Winter 1982
White Hole #7 - film & media reviews.........Rigel, Spring 1983
White Hole #8 - film & media reviews.........Rigel, Summer 1983
Wanna Buy a Duck? - Carl Barks review & comments...Amazing, Jan. 1983
Film review - Something Wicked this way Comes....Starlog, Nov. 1983
Film Critique - Return of the Jedi......Amazing, Jan. 1984
Film review - Indiana Jones and the Temple of Doom...Starlog, Nov. 1984
article - Racism in the Media...SF Review, Fall 1985
Introduction to A Guide to the Commonwealth...Starry Night Press
article - The Outer Limits (first Saturn fly-by)...Prescott Courier, 2 Feb. 1986
article - The Right Shuttle......Amazing, May 1987
article - Dental Fact or Fiction?....American Student Dental Association -Fall 1986
article - A Day in the Life of a Writer...SF Chronicle, Apr. 1988
White Hole #9 - film & media reviews.........SF Review, Summer 1990
White Hole #10 - film & media reviews.........SF Review, Aug. 1990
White Hole #11 - film & media reviews.........SF Review, Dec. 1991
White Hole #12 - film & media reviews.........SF Review, Jan. 1992
White Hole #13 - film & media reviews.........SF Review, Feb. 1992
White Hole #14 - film & media reviews.........SF Review, Apr. 1992
White Hole #15 - film & media reviews.........SF Review, May 1992
article - Murder Ain't What it's Going to be...Mystery Scene #27
Introduction to "Starchild" comic issue 0...Taliesin Press, 1993
article - Norman Lindsay - an Appreciation...Mermaids & Moonlight folio, Louis Irmo, Chicago 1993
article - The Northridge Earthquake...Prescott Courier, 23 Jan. 1994
article - Coral Cod Ambush...Skin Diver magazine, Feb. 1994
article - Lions & Lionfish...Undercurrent magazine, Feb. 1995
article - Science-Fiction and the Root of all Evil...SFWA Bulletin, Spring 1995
letter - Waterworld, the film (on location problems)...LA Times, Calif., 14 May 1996
article - New Guinea Diving: North and South...Undercurrent, May 1996
letter - Maui diving (criticism of article on same)...Undercurrent, May 1996
article - Irian Jaya diving - Pindito...In-Depth/Undercurrent, May 1997
article - The Art of Barclay Shaw.................SF Age
article - The Art of Ron Walotsky...World Fantasy convention program book, Oct. 1996
article - A Roundball analogy...The Art of Michael Whelan
article - On the Howling Stones, travel, & writing...The Drin; Del Rey newsletter, Feb 97
White Hole #16 - film & media reviews......Absolute Magnitude
White Hole #17 - film & media reviews......Absolute Magnitude
letter - Disney animation imitator-hopefuls...LA Times Calendar, 22 June 97
article - North Halmahera Sea.......Ocean Realm, Spring 98
letter - on 1998 Nebula Banquet...SFWA Forum; Aug.98 pg.14
article - Loloata Island, Papua New Guinea...Undercurrent, Oct 98
intro to Or the Grasses Grow...Avram Davidson Treasury, Tor 98
article, portion of - Maldives diving-Pollux...Undercurrent, June 99
article; mag - Die Welt in Sterne...Prehistoric Times, Oct/Nov 01
White Hole #18 - film & media reviews...... SF Chronicle, Nov 01
White Hole #19 - film & media reviews...... SF Chronicle, Jan 02
White Hole #20 - film & media reviews...... SF Chronicle, Feb 02
article - Tuvalu, South Pacific........... Undercurrent, Feb 02
article - Revenge of the Nerds, Part X.... Exploring the Matrix, St. Martin's, 2003
White Hole #21-43 - film & media reviews... SF Chronicle, Mar 02 - Jan 05
article - On E-Books - .............................. SFWA Bulletin, Fall 04
article - Rooting Against the King.......... Kong Unbound, Pocket Books, 2005
article - Galapagos - Star Dancer.................... Undercurrent, Feb 05
article/obit - A Day With Arthur..................... Skeptical Inquirer, July/Aug. 08
article - Not Jumping the Shark....... No Such Thing as a Free Ride, Goose Lane Books, 2008
foreword - Masters of Imagination...... Masters of Imagination, BearManor Media books, 2010
article - Garden Variety Javalinas.....New York Times, front page, 9 Aug 10
Perceivings #1 - Modern Art.......5enses magazine, Prescott, Jan 13
Introduction to Dark Vador vs. Monsieur Spock......Dunod, France, Sept 16
[total (letters and interviews not counted)...90