My (of course) completely unfair but representative lists:
Non fiction- Cosmos - Carl Sagan
- The Code Book - Simon Singh
- Science - A history - John Gribbin
- Big Bang - Simon Singh
- A brief history of nearly everything - Bill Bryson
- A brief history of time - Stephen Hawking
- In search of Schrodinger's cat - John Gribbin
- Operation Mincemeat - Ben Macintyre
- The end of science - John Horgan
- Just six numbers - Martin Rees
Fiction- The day of the Triffids - John Wyndham
- Childhood's end - Arthur Clarke
- Absolute Friends - John Le Carré
- Sobre Héroes y Tumbas - Ernesto Sábato
- The master of Ballantrae - Robert Louis Stevenson
- Tom Sawyer - Mark Twain
- The three musketeers - Alenxandre Dumas
- La carta esférica - Arturo Pérez-Reverte
- La reina del sur - Arturo Pérez-Reverte
- Sentence of Marriage - Shayne Parkinson