Energy
Vaclav Smil
Oil
Vaclav Smil
Sufism
William C. Chittick
Classical Music
Julian Johnson
Quantum Physics
Alistair I. M. Rae
Existentialism
Thomas E. Wartenberg
Hinduism
Klaus K. Klostermaier
Lacan
Lionel Bailly
Philosophy of Mind
Edward Feser
Criminal Psychology
Ray Bull, Claire Cooke & Ruth Hatcher