In modern-day London, sixteen-year-old Miss James "Mori" Moriarty and classmate Sherlock Holmes set out to discover who is framing Mori for the Regent's Park killings.

Heather W. Petty has been obsessed with mysteries since she was twelve, which is when she decided that stories about murders in London drawing rooms and English seaside villages were far superior to all other stories. She is the author of the Lock & Mori series. She lives in Reno, Nevada, with her husband, daughter, and four hopelessly devious cats. You can visit her online at HeatherWPetty.com.