Bok 1

Being Happy!

av Andrew Matthews
June 19th, 1990
Engelska
Pocketbok

Bok 2

Making Friends

av Andrew Matthews
June 19th, 1991
Engelska
Pocketbok

Bok 3

February 15th, 1999
Engelska
Pocketbok

Bok 4

Being a Happy Teenager

av Andrew Matthews
January 1st, 2002
Engelska
Pocketbok

Bok 5

Happiness Now!

av Andrew Matthews
October 1st, 2005
Engelska
Pocketbok