Watson has been kidnapped by Sherlock Sam’s arch-nemesis! Will Sherlock and the Supper Club be able to decipher the baffling riddles that the fiend has set before them…before it’s too late? Or will Sherlock’s trusty teammate be lost forever? Discover what happens in the exciting conclusion of The Fiendish Mastermind Trilogy!
“Definitely a middle-grade series that I would unreservedly recommend to teachers, parents and fellow bibliogeeks. Science!”
—Dr Myra Garces-Bacsal, National Institute of Education