The Door into Summer

Robert A. Heinlein

Summary: time travelling novel

Score: 75 / 100

Dan Davis, an engineer and inventor who is betrayed by his business partner and fiancée. After being cryogenically frozen, Dan wakes up 30 years later in a future only to go back in time to fix his life and wait another 30 years to reunite with his true love (daugther of his former partner).