The release of exiled former Spanish King Juan Carlos's memoirs has sparked renewed debate in Spain over his legacy and ties to the late dictator General Francisco Franco.

Its publication coincides with the 50th anniversary of Franco's death on November 20, 1975 and the commemoration of Juan Carlos's proclamation as king two days later.

In the book, the 87-year-old former monarch reflects on his role in Spain's transition to democracy, his strained family relationships, and the "mistake" of accepting millions of euros from Saudi Arabia.

The 500-page biography, "Reconciliation", co-written with French author Laurence Debray, was published in French on