A new biography, 'La soledad fue el precio,' by Carmen Domingo, explores the influential role of Carmen Díez de Rivera in Spain's democratic transition, particularly her efforts to convince the King of the necessity of legalizing the PCE.

A new biography by Carmen Domingo, winner of the Comillas prize, rehabilitates the significance of Carmen Díez during Spain's difficult transition period, revealing her influence from the shadows.

Conversations of Carmen Díez Pereira, wife of Tejero, on the night of the 23-F coup attempt in the 1980s, reveal a typical marriage of the era and her struggle to communicate by phone.