First published 2024
Theo and Alexander find themselves prisoners in Aunt Saffronia's ghostly house. The Sinister-Winterbottom twins must break free and track down their new enemy Essa and her accomplice Edgaren't. Their friends Wil and others need rescuing. Their parents remain missing. The twins follow a trail of clues that leads them to Siren's Song Seaside Amusement Park. This park was designed to draw visitors in and steal their secrets. Giant robots clash while cotton candy becomes a weapon of treachery. Old acquaintances appear alongside fresh dangers. The twins face their greatest test yet as they try to remain loyal to themselves and each other. The closer they get to answers, the more urgent their questions become. Who is Essa really? Why does she want their parents so badly? The twins must solve this final mystery if they hope to restore any sense of normalcy to their lives.
Genres: adventure, mystery, fantasy, paranormal
Vibes: atmospheric, fast-paced, suspenseful
Tropes: found-family, mystery
Setting: Siren's Song Seaside Amusement Park
272 pages · Paperback · Yearling