If you loved how Beatrice addresses Tess directly—turning her grief-stricken letter into the very case file of the "suicide"—you’ll relish how The Appeal unfolds entirely through emails, texts, and memos. Like sifting through Bea’s notes on Tess’s boyfriend, art tutor, and the clinical trial, you become the detective here, reading between lines and timelines as two law students comb a community theatre troupe’s correspondence to find a killer.

If what gripped you in Sister was being inside Bea’s head—her guilt, her fierce love for Tess, and the way family wounds shape every clue—then Sharp Objects will hit that same nerve. Camille Preaker returns to her hometown to investigate murdered girls while reckoning with her corrosive mother and enigmatic sister, much like Bea untangles Tess’s relationships and the shadow cast by their family history.

If you appreciated Sister’s intimate scale—Bea retracing Tess’s last days through her flat, art class, and clinic waiting rooms—Abbott’s novel keeps the lens just as tight. When Lizzie’s best friend vanishes, she scours her own neighborhood, family living rooms, and familiar streets, exposing secrets in a small orbit that feels as personal and pressurized as Bea’s hunt for the truth.

If you were drawn to how Bea’s private bond with Tess shapes every choice—challenging the police narrative of suicide and pulling her deeper—then In the Woods offers that same fusion of case and conscience. Detective Rob Ryan investigates a girl’s murder in a Dublin suburb that echoes his own childhood trauma, mirroring Bea’s deeply personal stake as she reexamines Tess’s lover, mentors, and the official story.

If the revelations in Sister—from Tess’s pregnancy and the clinical trial to the reclassification of a "suicide"—kept yanking the floor out from under you, Before I Go to Sleep doubles down on that sensation. Christine wakes each day with no memory, and each new clue rewrites the past, delivering the same jolting, trust-no-one twists that made Bea’s investigation so addictive.