Jarvis, Helen
The secret life of cities
Prentice-Hall, 2001
 Buku Teks SO
Kidd, Sue Monk
Secret life of bees
Tinder Press, 2015
 Buku Teks
Emoto, Masaru
The secret life of water/ Masaru Emoto
Beyond words publishing, inc., 2005
 Buku Teks
Drew, Philip, 1943-
The masterpiece : Jorn Utzon, a secret life / Philip Drew.
Hardie Grant Books, 1999
 Buku Teks SO
Garcia, Hector
Ikigai : the Japanese secret to a long and happy life
Penguin Books, 2017
 Buku Teks SO