Modern Trends in Tunnelling and Blast Design - John Johansen & C.F. Mathiesen

Learn German with the Augsburg Saga - B2.1 Interlinear German–English Reader - Brian Smith

Learn German with the Augsburg Saga - B2.2 Interlinear German–English Reader - Brian Smith

Learn German with the Augsburg Saga - B1.5 Interlinear German–English Reader - Brian Smith

The Elements of Style - William Strunk Jr.

Geosynthetics and Geosystems in Hydraulic and Coastal Engineering - Krystian Pilarczyk