Watson, John. <br/><br/>
The Sherlock Holmes Puzzle Collection: 150 enigmas for you to solve, inspired by the world's greatest detective. 

 - 288  p. 
<br/><br/> The Sherlock Holmes Puzzle Collection: 150 enigmas for you to solve, inspired by the world's greatest detective by John Watson (2012) 
<br/><br/><label>ISBN: </label>1862008728