James S. A. Corey - Caliban's War. Book two of the expanse

In Caliban's War, the second book in The Expanse series, humanity is thrown into renewed crisis after the protomolecule is weaponized. The story broadens its scope, introducing new perspective characters whose storylines converge with Captain James Holden and the crew of the Rocinante. On Ganymede, a Martian marine named Bobbie Draper is the sole survivor of her platoon after a powerful supersoldier slaughters them. Meanwhile, a botanist on the same moon, Praxidike Meng, discovers his young daughter has been abducted. On Earth, a shrewd and cynical UN official, Chrisjen Avasarala, navigates a web of political intrigue to prevent an interplanetary war. As tensions between Earth and Mars escalate, James Holden and his crew are drawn into the search for Prax's daughter, eventually uncovering a terrifying conspiracy involving corporate greed and the exploitation of the protomolecule. The different narrative threads collide, forcing the characters to confront a new, more dangerous phase of the protomolecule threat, ultimately leading to a confrontation that will determine the fate of the solar system.