R.O. has written the forewords to numerous books, including

WALLY: THE TRUE WALLACE REID STORY
by Dave Menefee.

JENNIFER JONES: THE LIFE AND FILMS by Paul Green.
McFarland Publishing, 2011

TCM CLASSIC MOVIE TRIVIA
Editorial text by Frank Miller; editor: Shannon Clute;
researcher: Alexa L. Foreman.
Chronicle Books, 2011

BEAUTIFUL: THE LIFE OF HEDY LAMARR 
by Stephen Michael Shearer.
Thomas Dunne Books/St. Martin's Press, 2010

TCM CLASSIC CROSSWORD PUZZLES
Chronicle Books, 2009

LEADING COUPLES: The Most Unforgettable Screen
Romances of the Studio Era
Chronicle Books. 2008

KAY FRANCIS: I CAN'T WAIT TO BE FORGOTTEN
by Scott O'Brien.
Bear-Manor Media, 2007.

LEADING MEN: The 50 Most Unforgettable Actors
of the Studio Era
Chronicle Books. 2007.

LEADING LADIES: The 50 Most Unforgettable
Actresses of the Studio Era
Chronicle Books, 2006.

UNDER THE RAINBOW by John Carlyle.
Carroll-Graff Publishers, 2006.

IN THE PICTURE: PRODUCTION STILLS
FROM THE TCM ARCHIVES,
text by Alexa L. Foreman, Ruth A. Peltason and Mark A. Viera.
Chronicle Books, 2006

PICTURE SHOW: CLASSIC MOVIE POSTERS  FROM THE TCM ARCHIVES,
text by Dianna Edwards, Chronicle Books, 2003

INSIDE HOLLYWOOD: 60 YEARS OF GLOBE PHOTOS
by Richard Deneut.
Konemann Publishing, 2001.

MOVIES WE LOVE: 100 COLLECTIBLE CLASSICS
by Frank Miller.
Turner Publishing Inc., 1996.