Open Library
Science
The universe explained, imperfectly.

Computational physics
Rubin H. Landau

Scientific explanation
R. B. Braithwaite

Advanced solid state physics
Philip Phillips

Handbook of nonmedical applications of liposomes
Danilo D. Lasic

International critical tables of numerical data, physics, chemistry and technology
National Research Council (US)

Triumph-Wagen Antimonii
Basilius Valentinus
Sciences
Ontario. Ministère de l'éducation.

Who was who in World War II
John Keegan

Golden Bats & Pink Pigeons
Joe Durrell

Katechismus der natuur
J. F. Martinet

Advances in Enzymology (Advances in Enzymology - And Related Areas of Molecular Biology)
F. F. Nord

The Ascent of Man
Jacob Bronowski

Knowledge in Context
Sandra Jovchelovitch

The scientific papers
John Couch Adams

Leonardo da Vinci's note-books
Leonardo da Vinci
Warwick process science
Peter Screen

The Collapsing Universe
Isaac Asimov

E=mc2
David Bodanis

Biology
Peter H. Raven

Essays
Herbert Spencer