Challenging Problems in Geometry (Dover Books on Mathematics) - VERY GOOD

Challenging Problems in Geometry (Dover Books on Mathematics) by Alfred S. Posa

Challenging Problems in Geometry (Dover Books on Mathematics)

Fundamental Concepts of Geometry (Dover Books on Mathematics) - Paperback - GOOD

Challenging Problems in Algebra (Dover Books on Mathematics) - ACCEPTABLE

Famous Problems of Geometry and How to Solve Them (Dover Books on Mathe - GOOD

Invitation to Geometry (Dover Books on Mathematics) - Paperback - GOOD