Against the backdrop of Mount Kilimanjaro, McDonald weaves a staggering tale of keen human observation and speculation, as the Kilimanjaro Event changes the course of the human race by exposure to something beyond its imagination.
Note: Chaga was published in the UK under the title Evolution's Shore.
"McDonald... consistently explores new territory with his breathtaking images and incisive language. Both form and substance blend fortuitously in a work that features strong characters, a suspenseful story, and a profound message of hope and transformation. A priority purchase for SF collections." – Library Journal
"One of the finest writers of his generation, who chooses to write science fiction because that is how he can best illuminate the world." – New Statesman
"...inventive and challenging... [an] often fascinating piece of speculation." – Kirkus