Sherlock Holmes meets Dirk Gently with a touch of Doctor Who - this brand-new comedy thriller delivers big laughs and big adventures with real heart

A rousing page-turner with one fault: It ends Kirkus Reviews Best Children's Books of 2014 Dangers are faced in London in an engaging, characterful debut ... with enjoyably convincing family relationships -- Nicolette Jones Sunday Times, Pick of the Week Aimed at young adventurers, Rohan Gavin's Knightley & Son, for age 10+, perfectly combines comedy and crime-solving as young Doc Knightley tries to discover what caused his father, a private investigator, to fall into a coma. This is an engaging debut and the tweed-loving Doc is a young Holmes for our times Daily Mail Full of suspense, intrigue and humour this is a modern day classic detective mystery Guardian Best New Children's Books, Summer 2014 Heaps of mystery, dry humor and tweed abound in this exemplar of crime fiction a la Doyle ... A rousing page-turner with one fault: It ends Kirkus Reviews, starred review A lively romp which will certainly please young readers Books for Keeps This is a fun crime novel for young readers ... hilarious and a bit scary, it's a good adventure bookwitch.com Rohan Gavin has created a protagonist that readers will grow to love bookzone4boys.com My inner twelve-year-old took to Darkus pretty much instantly ... it reminded me of the Artemis Fowl books ... I'd recommend for the young Sherlockian, crime aficionado, or action fan in anyone's life Bakerstreetbabes.com

Rohan Gavin is a screenwriter and author based in London. He is a huge fan of Sherlock Holmes and his enduring love of detective fiction, cars and conspiracy theories inspired him to write this book, the first in a series. Rohan is the son of award-winning children's author Jamila Gavin, and he recently became a father himself.