

Rafe Harald, a cosmonaut, attempts to combat the mysterious power that has put most of the human race into an involuntary sleep.


One of SF's most popular and prolific writers--with nearly 200 short stories and novelettes and over 40 novels--has written a suspense-filled tale of an extraordinary and indomitable man who fights against insuperable odds. Omni Magazine calls Dickson, "the model of the competent...



![Sleepwalkers' World [Large Print] 0786243384 Book Cover](https://m.media-amazon.com/images/I/11swug8SbXL._SL500_.jpg)

One of SF's most popular and prolific writers--with nearly 200 short stories and novelettes and over 40 novels--has written a suspense-filled tale of an extraordinary and indomitable man who fights against insuperable odds. Omni Magazine calls Dickson, "the model of the competent...