1
by De Bono, Edward, 1933-
Published 1993
2
by Pink, Daniel H.
Published 2005
3
4
by Kindler, Herb
Published 2002
5
by May, Matthew E.
Published 2007
6
by Ainon Mohd, 1950-
Published 1999
7
8
by Ainon Mohd
Published 2005
9
by Gallo, Carmine.
Published 2010
10
by Ainon Mohd.
Published 2005
11
by Bono de, Edward
Published 2001
12
by De Bono, Edward, 1933-
Published 1990
13
by De Bono, Edward, 1933-
Published 1997
14
by Leo, Ann Mean
Published 2006
15
by De Bono, Edward, 1933-
Published 1967
16
17
by Yew, Kam Keong.
Published 2001
18
by Yew, Kam Keong
Published 1997
19
by De Bono, Edward
Published 1991
20
by LeBoeuf, Michael
Published 1980