A comprehensive description for instruction in the eleventh grade math curriculum in a Waldorf school is provided in this excellent book in Analytical Geometry, Projective Geometry, Spherical Geometry, and Sequences and Limits. The contents offer clear pathways for a teacher or parent to follow in guiding adolescents in these stimulating and imaginative math subjects. This book offers invaluable resources to any high school math teacher wishing to bring lively mathematics and geometry to eleventh or twelfth graders.