All who are interested are invited to join a reading group on Douglas Hofstadter’s 1980 Pulitzer-Prize winner,

Gödel, Escher, Bach: an Eternal Golden Braid.

Exactly one clause of the following sentence is false. This book is about mathematics, art, music, linguistics, computing, and theories of mind, or it is about the curious power of self-reference. The antepenultimate sentence of this paragraph is true. The first sentence of this paragraph is false.