Electrical Engineer's Reference Book, 16th Ed.
M. A. Laughton & D. F. Warne
Modern German Grammar: A Practical Guide
Ruth Whittle & John Klapper & Christine Eckhard-Black & Katharina Glöckel & Bill Dodd
Schaum's Outline of Digital Signal Processing
Monson Hayes
Walküre
Craig Russell
Aircraft Engineering Principles
Lloyd Dingle & Mike Tooley