Before becoming a bestselling author, Ben Aaronovitch was a screenwriter for Doctor Who and a bookseller at Waterstones. He now writes full-time, and every book in his Rivers of London series has been a Sunday Times Top Ten bestseller. He lives in London.
Kobna Holdbrook-Smith is an award-winning actor working in film, TV, theater, and audio. His movies include Wonka, Mary Poppins Returns, Justice League, Paddington 2, and Doctor Strange. On television, his work includes Accused, His Dark Materials, The Split, Motherland, and Capital.