A Student's Guide to the Mathematics of Astronomy
Daniel Fleisch & Julia Kregenow
The Present Personal: Philosophy and the Hidden Face of Language
Hagi Kenaan
Logical Fallacies: Do You Make These Mistakes in Reasoning?
Scott Lovell
Encyclopedia of Distance Learning, Second Edition
Rogers, Patricia L. & Berg, Gary A. & Boettcher, Judith V. & Howard, Caroline & Justice, Lorraine & Schenk, Karen D.
Pale Blue Dot
Carl Sagan
The Grammar of English Grammars
Gould Brown