Robert Geretschlager

Books by Robert Geretschlager

Joy of Mathematics

Marvels, Novelties, and Neglected Gems That Are Rarely Taught in Math Class

By Alfred S. Posamentier, Robert Geretschlager and Charles Li
Learn More

Trade Paperback

LIST PRICE $18.00

PRICE MAY VARY BY RETAILER
    Circle

    A Mathematical Exploration beyond the Line

    By Alfred S. Posamentier and Robert Geretschlager
    Learn More

    eBook

    LIST PRICE $14.99

    PRICE MAY VARY BY RETAILER
      BACK TO TOP