Books like Midsummer's Equation by Keigo Higashino

A masked intruder’s eerie music and a bloody samurai sword at a 1937 village wedding draw amateur sleuth Kosuke Kindaichi into a baffling murder mystery amid whispers of a sinister figure.

Fuminori Nakamura’s novel follows Toru Narazaki as he searches for his missing girlfriend and infiltrates a Tokyo cult, uncovering the psychological pull of extremism and the hidden violence that lies beneath charismatic gatherings.

Physicist‑turned‑detective Manabu Yukawa, known as "Detective Galileo," investigates a mysterious murder in the distressed seaside town of Hari Cove, where an underwater mining plan fuels both hope and conflict.

Nothing could be more restful than summer in the small Irish town of Cahirmor—its most exciting diversion a Shakespearean summer production by a traveling repertoire company. That is, *usually*. But suddenly unexpected violence shattered the calm, giving Cahirmore a summer it would never forget. An English baronet's young daughter was found strangled in the woods, apparently the victim of a paranoid killer. Superintendent Duffy had definite suspicions, which were grimly confirmed when a lovely young actress became the murderer's second victim. The inhabitants of Cahirmore jump at the chance to be amateur detectives—and Duffy found himself both helped and hindered by such engaging characters as Lady Ballybrogh, a party-loving eccentric; the temperamental troupe of actors who were visiting Cahirmore; and an internationally famous Irish painter.

Lindy Haggerty, a danseur instructor at the Easton Arts Retreat, must unravel a murder at the retreat's 50th‑anniversary gala before a corrupt sheriff turns the tragedy into a coup for developers.

Samurai Matsuyama Kaze races through 17th‑century Edo to rescue a lord’s missing daughter trafficked into child prostitution, all while a manhunt targets him as the shogun’s would‑be assassin.

Rei Shimura, a Japanese-American antique dealer, is assigned to find and authenticate a lost ancient pitcher, but her investigation takes a deadly turn when a devastating typhoon hits Tokyo.

A bestselling novelist is found murdered just before moving to Vancouver, but his wife and best friend, both with perfect alibis, may hold the key to the crime.