An expedition to Mars discovers the remains of an advanced civilization, which died out many thousands of years ago. They recovered books and document...
Garrett Putnam Serviss (1851-1929) was an astronomer, popularizer of astronomy, and early science fiction writer. Serviss showed a talent for explaini...
The Throg task force struck the Terran survey camp a few minutes after dawn, without warning, and with a deadly precision which argued that the aliens...
