Viktor E. FranklElisabeth S. Lukas, Bernardo Moreno Carrillo, Ramón Bayés, Alex Rovira · First published 2008Open the Tome
El laberint de la felicitatAlex Rovira, Francesc Miralles Contijoch · First published 2007Open the Tome
El laberinto de la felicidad/ The Labyrinth of HappinessAlex Rovira, Francesc Miralles · First published 2007Open the Tome
