por Phillips, Charles [autor] | Phillips, Charles. 50 puzzles for creative thinking | Merlos, Silvina [traductor].
por Phillips, Charles [autor] | Phillips, Charles. 50 puzzles for tactical thinking | Merlos, Silvina [traductor].
por Phillips, Charles [autor] | Phillips, Charles. 50 puzzles for logical thinking | Merlos, Silvina [traductor].
por Phillips, Charles [autor] | Phillips, Charles. 50 games for Lateral Thinking | Merlos, Silvina [traductor].
por Phillips, Charles [autor] | Phillips, Charles. 50 games for Quick Thinking | Merlos, Silvina [traductor].
por Phillips, Charles [autor] | Phillips, Charles. 50 games for visual thinking | Merlos, Silvina [traductor].