36 Best Assassin Books

For readers who want competition, court secrets and romance around an assassin heroine. The contest offers a straightforward series entrance, though Celaena's reputation initially promises more professional killing than the plot shows on the page.

For readers who want an elaborate assassin school with a strong revenge motive. Mia's shadow magic and competitive training distinguish the setup, though the graphic violence, sexual content and intrusive footnotes make the style divisive.

For readers who want a dark apprentice story with rapid escalation and powerful magic. Kylar's training makes assassination central to the fantasy, though abuse, violence and increasingly large conflicts leave little room for a subtle procedural.

For readers who care more about the cost of serving a ruler than spectacular kills. Fitz's intimate perspective develops loyalty and loneliness with unusual patience, though the title promises more assassin action than the book consistently delivers.

For readers who want an assassin caught between family expectations and a different moral path. The criminal organizations give the conflict an immediate setting, though the violence and crowded rivalries make the story demanding from the start.

For readers who wanted the assassin role in Throne of Glass to affect Celaena's loyalties more directly. Her royal employment sharpens the conflict between orders and conscience, though romance and emerging magic remain equally important.

For readers who want a gifted killer questioning the authority that uses her. Katsa's struggle for autonomy gives the adventure a personal center, though romance and discovery share more space than the mechanics of assassination.

For readers who want historical court intrigue with an assassin's divided loyalties. The convent of Death gives Ismae's training a distinctive religious frame, though romance and Brittany's political situation occupy as much space as her assignments.

For readers invested in Celaena's earlier assassin relationships who want a confrontation with that past. Returning to the capital gives old loyalties sharper consequences, though the larger rebellion and expanding cast require substantial series knowledge.

For readers who want dangerous training shaped by friendship as much as rivalry. Nona's convent education gives the relationships room to grow, though the slow worldbuilding and delayed payoff make it less immediate than a mission-focused thriller.

For readers who want more of Celaena's actual assignments and earlier relationships. The linked prequel novellas give her assassin background concrete episodes, though reading them first reveals history that Throne of Glass initially leaves unexplained.

For readers who want an assassin working within a criminal team rather than alone. Inej's skills sit inside a carefully coordinated heist, though the ensemble and shifting viewpoints mean this is not primarily her story.

For readers who want the assassin's identity to become the mystery itself. The amnesia premise makes every demonstrated skill suspicious, though the dense conspiracy and Cold War setting require more attention than the faster film adaptations suggest.

For readers who want the practical planning and pursuit of a professional assassin without magic. Its procedural detail builds tension through preparation, though the measured pace and historical politics may feel cool compared with character-centered fantasy.

For readers who want an assassin's skills turned toward preventing a murder. Girton's investigation gives the apprentice story a mystery structure, though the castle politics and troubled kingdom require attention alongside the personal relationship with his master.

For readers ready for the Night Angel trilogy's largest conflicts. Kylar's deadly skills are pushed into a broader war, though the expanded cast and magical stakes make this a finale rather than a useful standalone assassin story.

For readers continuing Six of Crows who want the crew's loyalties tested through retaliation and new schemes. The citywide contest rewards character investment, though the direct continuation and ensemble focus make the first book necessary.

For readers who want the assassin-convent premise explored through a more wounded heroine. Sybella's assignment makes survival intensely personal, though family abuse and trauma create a darker experience than Grave Mercy's court-centered introduction.

For established Throne of Glass readers who want alliances, voyages and larger military stakes. Aelin's expanding circle broadens the fantasy, though assassination is now secondary and the many ongoing storylines make this unsuitable as an entry point.

For readers continuing Celaena's story who want emotional recovery and magical training. The expanded world introduces important new relationships, though the assassin premise recedes and the slower development asks for patience after the earlier books.

For readers who want Fitz's loyalty strained by closer court pressure. Secret service, personal attachments and political vulnerability deepen the first book's emotional conflict, though the slow pace and painful choices offer little escape from his predicament.

For readers who want an experienced assassin in an urban setting with elemental magic. Gin's day job and underworld connections give the revenge plot a grounded routine, though the gritty voice and violence follow familiar genre patterns.

For readers who want a compact fantasy about the rules of professional killing. Eveen's impossible contract gives the story a sharp central puzzle, though the quick pace leaves less room for the extended training and worldbuilding of the epics.

For readers who want lethal stealth inside a larger rebellion. Vin's training makes the magic system and crew skills easy to follow, though the main story is an epic heist and uprising rather than a professional assassin's career.

For readers who like underworld politics and clever criminals facing lethal rivals. The intricate confidence schemes offer a different kind of competence from assassin training, though Locke is a thief and con artist rather than a professional killer.

For readers completing Fitz's first trilogy who want a more expansive journey after court intrigue. The change of setting deepens the magical world, though assassin work becomes less central and the earlier novels are essential preparation.

For readers following Yelena who want the magical consequences of her earlier choices explored further. The wider conflict expands the series' world, though her powers take precedence over the assassin partnership and earlier Study novels are required.

For readers who want assassin action interrogated through a violent blend of science fiction and fantasy. Caine's public role adds a critique of entertainment and power, though the graphic brutality and harsh tone are relentless.

For readers who liked Poison Study and want Yelena's family and magical education developed. The new country broadens her identity beyond the food-taster role, though the original assassin-and-prisoner tension gives way to a wider fantasy adventure.

For readers who want a convent-trained assassin challenging the life planned for her. Annith's search broadens the series' mythology, though the supernatural and romantic strands become more prominent and knowledge of the earlier books helps.

For established Study readers who want Yelena and Valek navigating vulnerability together. The continuing partnership gives the political threats personal weight, though the unresolved magic plot depends on Shadow Study and offers little introduction for newcomers.

For readers who like a constrained heroine learning to survive under a dangerous mentor. The food-taster premise makes trust and practical skills immediate concerns, though the unequal power dynamic and abuse history make the romance uncomfortable for some.

For readers returning to Yelena and Valek after the original Study arc. Alternating concerns give their partnership and separate histories more room, though the new threat to her powers opens another continuing plot rather than a self-contained mission.

For readers who want an assassin trying to leave his profession behind. Kylar's attempt at ordinary life makes loyalty a concrete obstacle, though the return to war and expanding magical politics depend heavily on The Way of Shadows.

For readers who want a wry professional assassin navigating organized crime and magic. The three-novel collection gives Vlad's world time to develop, though the shifting concerns and older fantasy conventions differ from a tightly plotted modern thriller.

For readers who want an assassin's skills paired with a contrasting partner in a heist. Royce and Hadrian's first collaboration gives the adventure its energy, though theft and the developing friendship take precedence over assassination.