The Suiciders

J.T. McIntosh

1973

Survival > Survival /Fiction.
Human-alien encounters > Human-alien encounters / Fiction.
Imaginary wars and battles > Imaginary wars and battles / Fiction.

Cottrell and Bixby had what seemed a hopeless mission: defend civilization againt an onslaught by the Tinkers. There seems to be supernatural forces working for the enemy.

Avon

https://catalog.hathitrust.org/Record/006837385

English

Aliens