I. P. Freely 
Turdle [EPUB ebook] 
Logic Puzzles to Solve While You’re on the Loo

The hilarious must-have Murdle parody loo book for the puzzle lover in your life
No s**t Sherlock
Lavatory, my dear Watson
Can you solve the ultimate ‘poo-dunnit’ whilst you do your business? Can you get to the bottom the most unspeakable of crimes? Ladies and Gentleman, we have called you here because we need your powers of deduction to crack the code and discover:
– Who smelt it and dealt it
– What created that awful stench
– Where that pong is coming from
As you solve each logic puzzle in turn, you will progress ever closer. But beware, our prey is as deadly as they are cunning. You will need to be at your sharpest to catch the culprit and freshen up a world that reeks of crime.