1
by Meares, Kevin
Published 2008
2
by Carnegie, Dale
Published 2006
3
by Meyer, Joyce
Published 2002
4
by Haggai, John Edmund
Published 2003
5
by Dhammananda, K., Sri
Published 1989
6
7
by Bourne, Edmund
Published 2010
8
9
by Nolen-Hoeksema, Susan
Published 2007
10
11
by Crist, James J.
Published 2004
12
13
by He, Quan Feng
Published 2013