Inhalt
Twin sisters and budding geniuses Wiki and Leen Ellison have never been apart, but this summer Leen is going to Cosmos Camp and secretly Wiki is looking forward to being alone--but when the camp founder disappears both girls are recruited to solve the mystery before his newest invention goes terribly wrong.
Bibliografische Angaben
Mai 2023, 288 Seiten, Englisch
Harper Collins (US)
978-0-358-42337-9