Digital library
Textbooks, references and open learning resources.

External
Fundamentals of Aerospace Engineering
Manuel Soler Arnedo · Universidad Carlos III de Madrid
In the contents: 1.01: Engineering · 1.02: Aerospace activity · 2.01: Classification of aerospace vehicles

External
Aerodynamics and Aircraft Performance
James F. Marchman · Virginia Tech
Aerodynamics and Aircraft Performance is a college undergraduate-level introduction to aircraft aerodynamics and performance. This text is designed for a course in Aircraft Performance that is taught before the students have had any course in fluid mechanics, fluid dynamics, or aerodynamics. The text is meant to provide the essential information from these types of courses that is needed for teaching basic subsonic aircraft performance.

External
Introduction to Aerospace Structures and Materials
René Alderliesten · Delft University of Technology
This book provides an introduction to the discipline of aerospace structures and materials and includes all relevant aspects of this discipline within a single monograph. These aspects range from materials, manufacturing and processing techniques, to structures, design principles and structural performance, including aspects like durability and safety.