![](/images/cover/.tmb/thumb_dummycover_100_200.jpg)
...
Unknown
Beyond the Barrier is a science fiction novel by Damon Knight. The novel tells the story of a physics professor in 1980 who begins to doubt that he is a human being. He imagines that he may have been sent from another world to rescue Earth; or perhaps to destroy it. Solving the mystery takes him far into the future.
87219523358510995779502727832778947965895445283579259439