The Expanse series by James S. A. Corey is a thrilling space opera that explores humanity’s expansion across the solar system. Starting with Leviathan Wakes, the series centers on a ragtag group of characters, including James Holden and detective Miller, who find themselves entangled in a conspiracy that threatens the balance of power in the galaxy. As tensions rise between Earth, Mars, and the Belt, a mysterious alien substance known as the protomolecule is discovered, sparking a deadly conflict. With its complex political dynamics, realistic depiction of space travel, and morally ambiguous characters, The Expanse delves into themes of survival, loyalty, and the consequences of technological advancement. The series is praised for its action-packed plots, richly developed universe, and exploration of social and political issues in a futuristic setting.