SOLVED! The Secret Oxford League of Volunteer Extracurricular Detectives investigates: The Case of the Dangerous Book; The Case of the Invisible College; The Case of the Shakespearean Super-Chimp; The Case of the Abducted Astrobiologist; The Case of the Ghost in the Machine; The Case of the Shocking Science Quarterly, and The Case of the Inverted Pyramid. Seven old-style mystery stories set amidst the dreaming spires of Oxford University.