Professor Moriarty: The Hound of the D'Urbervilles by Kim Newman.
Just casually reading this book as I wait for the 3rd season of Sherlock to air ;;
I also recently bought a Moriarty bookmark at Katsucon and gosh, it's absolutely perfect to use for this book.
( ͡° ͜ʖ ͡°)
♢ Birthday - Hamatora
♢ Shinkai Hayato - Yowamushi Pedal
♢ Mako Mankanshoku (2 star goku unif) - KLK