Finding themselves inside an alien asylum, the Eleventh Doctor, Amy, and Rory discover that many of the human patients within actually house the minds of some of the Doctor's most terrifying enemies! As the Doctor tries to work out who has done this hideous body swap, the inmates riot... and two certain travellers will never be the same again!
to be added
- Among Rubin's victims are a Re'nar, a Ju'wes, Acari, Saturnynians, Enochians, a Judoon, a Raxacoricofallapatorian, a Sycorax, and a Gizou. Khan suggests Chelonians and "an Ice Warrior or two" as well.
- Special thanks credits in the front of the book include Steven Moffat, Brian Minchin, Matt Nicholls, James Dudley, Georgie Britton, Edward Russell, Derek Ritchie, Scott Handcock, Kirsty Mullan, Kate Bush, Julia Nocciolino, Ed Casey, Marcus Wilson, and Richard Cookson.
- The Doctor briefly inhabits Amy's body, and Amy inhabits his. The Third Doctor did the same thing with the Master. (PROSE: The Switching)
- The Doctor notes that a human consciousness cannot handle a Time Lord body for long. (TV: Journey's End)
- The Doctor says, "I'm a woman now. Women are cool." (TV: The Eleventh Hour et al)