The novel “Leviathan Falls” by James S.A. Corey was published for the first time in 2021. It’s the ninth book in the Expanse series and follows “Tiamat’s Wrath”.

Laconian High Consul Winston Duarte has awakened and, after extending his consciousness to reach out to Admiral Trejo and tell him they were thinking too small, vanishes. Trejo immediately orders a return to the Laconia system and charges Colonel Tanaka with the task of finding Duarte. One trace is linked to the High Consul’s daughter Teresa Duarte, part of the crew of the Rocinante.

Dr. Elvi Okoye continues her investigation into the portal builders and the mysterious force that destroyed them. She must use Xan and Cara, the young people who got altered, to try to probe a part of the universe totally alien to humans. Their remote connection to Amos Burton complicates the situation.