Complex sentence: In 2007 he published the novel "El Misterio de las Tanias" (Alfaguara), a political thriller involving Cuban spies, political kidnappings, and a fabled ransom worth over one billion dollars.
Split into simpler sentences: In 2007 he published the novel "El Misterio de las Tanias" (Alfaguara). This novel is a political thriller involving Cuban spies, political kidnappings, and a fabled ransom worth over one billion dollars.