The first season of the hit Apple TV+ sci-fi series Silo left things on a cliffhanger, with Rebecca Ferguson’s Juliette venturing out of the titular underground shelter – and out of sight of those she left behind. The public has been waiting for more than a year for the continuation of events and this moment has finally come since season 2 of Silo will soon arrive on our screens.

However, given that Silo is based on author Hugh Howey’s trilogy of novels, you’d think you could check out the books for clues as to where the story is going – especially since season 1 adapted only half of Howey’s first novel in the series, titled Wool.