The Richest Man in Babylon -- Six Laws of Wealth
Charles Conrad
Mark Twain: Gesammelte Werke: Andhofs große Literaturbibliothek
Mark Twain
Geometry, Student Edition
Boyd & Cummins & Malloy & Carter & Flores
Mathematics and Reality
Mary Leng
Experiments in Mathematics using Maple
Christopher Tj Dodson & Elizabeth A. Gonzalez
I OMNIST
Ward Smith