Abductive Reasoning
Douglas Walton
A Grammar of Lezgian
Martin Haspelmath
Zero Limits
Joe Vitale & Ihaleakala Hew Len
Fundamentals of Mathematics: Algebra
Sanjay Mishra
The Sky Observer's Guide: A Handbook for Amateur Astronomers
Robert Newton Mayall & Margaret Walton Mayall & Jerome Wyckoff
Stonehenge
Bernard Cornwell