by Wallace D. Wattle
Dr. David R. Hawkins' book
Book by Eileen Caddy
Book by D.B. Ryen
by Mihály Csíkszentmihályi. Also the state it refers to.
Refilling Your Tank and Renewing your Passion, by Wayne Cordeiro
What The Internet Tells Us About Sexual Relationships. By Ogi Ogas and Sal Gaddam
by Joshua Maree
English original at LoC 935 (TvF).
by Eckhart Tolle, 2003
A sacred text?
No Gimmicks, Luck, Or Trust Fund Required by Bryce Leung and Kristy Shen
1908 novel by Canadian author Lucy Maud Montgomery (wikipedia)