Problem Sleuth

Problem Sleuth Volume 2 - This Is Complete Bullshit by Andrew Hussie (2010-01-01)

Problem Sleuth Volume 3                          

Brand: Teacher Ideas PressNH

Mystery and Detection: Thinking and Problem Solving With the Sleuths

Sleuths, Inc: Studies of problem solvers, Doyle, Simenon, Hammett, Ambler, Chandler

Kessinger Publishing

Problem Of The Deserted House                    

Brand: Learning Works

Solution Sleuth                                  

Simon & Schuster

The Nancy Drew and the Clue Crew Collection (Boxed Set): Sleepover Sleuths; Scream for Ice Cream; Pony Problems; The Cinderella Ballet Mystery; Case of the Sneaky Snowman

Parlux

The Jubilee Problem                              

Independently published

Problems with Planning: NBL Solutions Book 4    

Read Books

A Difficult Problem