Escher, M.C. Escher , Federico Giudiceandrea, et al.
The Magic Mirror of M. C. Escher, Bruno Ernst
Masterpieces in 3-D: M. C. Escher and the Art of Illusion, Katherine Gleason
M. C. Escher: His Life and Complete Graphic Work, F. H. Bool
M. C. Escher: Kaleidocycles, Doris Schattschneider and Wallace Walker
M.C. Escher: Visions of Symmetry, Doris Schattschneider