Complete Works of Xenophon (Illustrated) (Delphi Ancient Classics)
Xenophon
The Making of Late Antiquity
Peter Brown
Trading and Exchanges
Larry Harris
Gravitation, Gauge Theories And Differential Geometry
Eguchi, Gikey & Hansen
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov
Linear Algebra Done Right
Sheldon Axler