- Author: David Weber (aut.) Marlene Ballena (trad.)
- Language: Spanish, Quechua
- Year: 1996
- Author: Gerhard Fast Ruby Warkentin Daniel Fast
- Language: Spanish, Shiwiar, Achuar
- Year: 1996
- Author: Daniel John Hintz (aut.), Marlene Ballena Dávila (trad.)
- Language: Spanish, Quechua
- Year: 2000
- Author: Norma Faust Eugene Loos
- Language: Spanish
- Year: 2002
- Author: Peter Landerman
- Language: Quechua, Spanish
- Year: 1973
- Author: David Weber (aut.), Marlene Ballena Dávila (trad.)
- Language: Spanish
- Year: 1998
- Author: Olive Shell Marlene Ballena
- Language: Spanish, Kakataibo (Cashibo-cacataibo)
- Year: 1987
