The Door Into Summer
Dan Davis was tricked by an unscrupulous business partner and a greedy fiancee into spending thirty years in suspended animation just when he was on the verge of a success beyond his wildest dreams. But when he awoke in the future, he discovered he had the means to travel back in time -- and get his revenge!
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LibraryThing ReviewUser Review - antiquary - LibraryThing
This is one of my favorite Heinlein novels, chiefly because it has an almost perfect eucatastrophe. It also has a great cat. Dan Davis, the hero, is an inventor of robots in a 1970 unlike the real one ... Read full review
LibraryThing ReviewUser Review - turtlesleap - LibraryThing
This is not my favorite of Heinlein's books but, considering its age, still not a bad read. It was written about travel along two time-lines, 1970 and 2000. From the perspective of a 21st Century reader, much of the speculation is laughably wrong, but that adds to the fun. Read full review