Flatterland: Like Flatland Only More So
Ian Nicholas Stewart
Anaximander and the Architects: The Contributions of Egyptian ...
Robert Hahn
Child's Conception of Geometry
Piaget, Jean & Inhelder, Barbel & Szeminska, Alina
Die zwei Hörner des Rhinozeros: kuriose und andere Geschichten ...
David Quammen
Mathematical Reasoning: Writing and Proof - Version 1.1
Ted Sundstrom
Wisdom of Insecurity
Alan W. Watts