Columbia subject headings:
Masculinity.
Peak experiences.
Risk-taking (Psychology)
Sensation seeking.
Sex role.
Harvard subject headings:
Masculinity.
Peak experiences.
Risk-taking (Psychology)
Sensation seeking.
Sex role
Princeton subject headings:
Adventure and adventurers--Great Britain--Biography.
Authors, English--20th century--Biography.
Masculinity.
Men--Psychology.
Peak experiences.
Risk-taking (Psychology)
Sensation seeking.
Sex role.
Twigger, Robert, 1964-