Immoderate Greatness: Why Civilizations Fail
William Ophuls
The Merovingian Kingdoms, 450-751
Ian N. Wood
Dune 4 - God Emporer of Dune
Frank Herbert
The Bill of Rights: A History in Documents
John J. Patrick
A Student's Guide to the Mathematics of Astronomy
Daniel Fleisch & Julia Kregenow
The Old Navy
Daniel P. Mannix