Modern Trigonometry Paperback Kaj L. Nielsen

Trigonometry For Dummies - Paperback By Sterling, Mary Jane - VERY GOOD

Differential Equations - Paperback, by Nielsen Kaj - Acceptable

Modern Trigonometry

Trigonometry for Dummies® by Mary Jane Sterling (2005, Trade Paperback)

A History of the Modern Middle - Paperback, by Cleveland William L; - Acceptable