Inglis in his book The Hidden Power (1986) invoked a conspiracy theory that established scientists have denied and suppressed evidence for the existence of a psi force.

The Hidden Power (London: J.Cape 1986)

The Hidden Power (Ramana Maharshi Centre for Learning, 1995)

Hidden Power (1939)

Hidden Power: Presidential Marriages That Shaped Our Recent History.

In 2006, the Independent Publisher Book Award (IPPY) nominated Hidden Power as one of the three best American books on current events.

Hidden Power: What You Need to Know to Save Our Democracy (Berrett-Koehler, 2005)

Epiphanius explains the origin of the name Elkesai to be Aramaic El Ksai, meaning "Hidden Power" (Panarion 19.2.1).

Entitled Hidden Power: The Programming of the President it concentrated on the election of Ronald Reagan in 1980.

Hidden Power (2002)