When does MaddAddam return?

Oryx and Crake is the first of the MaddAddam trilogy. The novel focuses on a character called Snowman, living in a post-apocalyptic world near a small group of primitive and innocent human-like creatures called Crakers. The reader learns of his past, as a boy called Jimmy, and of genetic experimentation and pharmaceutical engineering that occurred under the purview of Jimmy's peer, Glenn "Crake". The book was first published by McClelland and Stewart.