Pythagorean Theorem: The Story of Its Power and Beauty, Posamentier, Alfred S.,

Barlow - Number The Force Pi Gravitation - New paperback or softb - X555z

Barlow - Mathematics Puzzles Riddles Expositions - New paperback or - X555z

Nest - Coltan - New paperback or softback - 80 - X555z

Aschoff - Rudolf Virchow - New paperback or softback - 80 - X555z

The Pythagorean Theorem: The Story ..., Herbert A. Haup

Pythagorean Theorem Theory Exploring Mathematics on Your Own 1960 William Glenn

The Pythagorean Theorem: A 4,000-Year History (Paperback or Softback)