- If it hurts, it isn't loveCharles Spezzano, Chuck Spezzano Ph.D. et al.
- A Golden Age: Through the Magic DoorRobert Holden
- Success IntelligenceRobert Holden
- Shift Happens!Robert Holden
- Life Loves YouLouise L. Hay, Robert Holden
- LoveabilityRobert Holden
- BunyipsRobert Holden
- Nueva Arquitectura del PaisajeRobert Holden
- Happiness Now!Robert Holden
- RisoterapiaRobert Holden, Joan Carles Guix
- Laughter, the best medicineRobert Holden
- Las claves de la felicidadRobert Holden
- Holy ShiftRobert Holden
