Mensa Brain Workout PackRobert Allen, Kenneth A. Russell, Philip J. Carter, Mensa Staff, Ken Russell, Philip Carter · First published 2019Open the Tome
Mensa Challenge Your IqJohn Bremner, Kenneth A. Russell, Philip J. Carter, Mensa Staff · First published 2009Open the Tome
Mensa Logic PuzzlesKenneth A. Russell, Philip J. Carter, Mensa Staff · First published 2009Open the Tome
