- Acclaimed Flop: It did moderately well, but nothing particularly special, before the author was revealed.
- Author Allusion:
- When Strike confronts Bristow with the evidence he killed his sister he tells Strike he should quit being a detective and become a Fantasy author.
- The directions Robin follows on her way to Strike's office on her first day sound an awful lot like she's trying to find her way into Diagon Alley.
Trivia / The Cuckoo's Calling