Download or read book Species Imperative written by Julie E. Czerneda and published by Penguin. This book was released on 2014-09-02 with total page 1026 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Mackenzie Connor's goal in life is to be left in peace to study salmon. The only cloud on Mac's horizon is having to meet with the Oversight Committee to defend research intrusions in protected zones. But what Mac wants doesn't matter. There's a darker migration underway, across space. What created the Chasm has awakened to follow its need to feed on living worlds.