Author: The Arbinger Institute
- Non-Fiction
- Ediciones Urano
- ISBN: 9788492921577

Author: José Enrique Campillo Alvarez
- Non-Fiction
- Editorial Paidós
- ISBN: 9786077473121

Author: Monique Vinay
- Non-Fiction
- Planeta Publishing Corporation
- ISBN: 9786070737794

Author: Michael Fossel
- Non-Fiction
- Editorial Diana
- ISBN: 9786070738005

Author: Christ Cortman, Harold Shinitzky
- Non-Fiction
- Editorial Diana
- ISBN: 9786070738173

Author: Luis Pazos
- Non-Fiction
- Editorial Diana
- ISBN: 9786070737923

Author: Jorge Zepeda Patterson
- Non-Fiction
- Editorial Temas de Hoy
- ISBN: 9786070736469

Author: Angela Duckworth
- Non-Fiction
- Ediciones Urano
- ISBN: 9788479539641

Author: Albert Jorquera Mestres
- Non-Fiction
- Lectio Ediciones
- ISBN: 9788416012565

Author: Eva Ferrer Vidal-Barraquer
- Non-Fiction
- Lectio Ediciones
- ISBN: 9788416012558