Title: The demons at rainbow bridge
Description: From the back cover:

THREE UNIQUE EMPIRES -- THREATENED BY THE DISCOVERY OF ALTERNATE LIFE

**The Exchange** are consuming the universe's resources through the powers of their cybernetic leaders.

**The Mycohlians** are parasitic being who, like a virus, can invade and take over other life forms.

**The Mizlaplan** are a brilliant, long-lived race who will use any means possible to spread the word of the Cosmic All.

These three empires, maintaining a delicate balance of power, have very little in common -- except a strange, recurring legend of a horned demon.  Now, a shocking event will change their lives forever: **the discovery of two horned creatures, seemingly lifeless and perfectly preserved**....
Subjects: Science fiction, Fiction, Fiction, science fiction, general