Illustrated book showing that there are few degrees of separation between mathematics and topics that provoke interesting conversations.

Describes five practices for productive mathematics discussions, including anticipating, monitoring, selecting, sequencing, and connecting.

Approximately fifty articles that were published in The Mathematical Intelligencer during its first eighteen years. The selection demonstrates the wide variety

Comprises Multicolor Problems, dealing with map-coloring problems; Problems in the Theory of Numbers, an elementary introduction to algebraic number theory; Ran

Do numbers and the other objects of mathematics enjoy a timeless existence independent of human minds, or are they the products of cerebral invention? Do we dis