Merry Murdle: 25 Fiendishly Festive Logic Puzzles

G.T. Karber

Murdle: The Case of the Seven Skulls

G.T. Karber

Murdle: Volume 1, 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction

G.T. Karber

Murdle: Volume 3, 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction

G.T. Karber

Murdle: The School of Mystery—50 Seriously Sinister Logic Puzzles

G.T. Karber

Murdle: Volume 2, 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction

G.T. Karber