The third of the magnificent Catteni sequence.
The inhabitants of Botany - a mixture of humans and extraterrestrials - have managed to build a thriving and productive world out of what was originally intended as a slave planet. And now they have plans to overthrow the terrible Eosi, who for centuries have existed by subsuming members of the Catteni race, living in their bodies and ruling space through them.
The Botanists have received mysterious and unexpected help from the great beings they know only as "Farmers" - for the "Farmers" have thrown a huge impervious space bubble around Botany. Even as the Eosi ships have tried to pulverise the rebellious planet, the bubble has held firm.
But, safe though they are behind the protective device, Kris Bjornsen, Zainal, and all of the Council know they have to go out and destroy the Eosi on their own ground. It falls to Zainal to risk his life in a desperate and daring mission to vanquish the monster life forms forever.