Open Library
Science
The universe explained, imperfectly.

Did comets kill the dinosaurs?
Isaac Asimov

Mars
Isaac Asimov
The works of Charles Darwin
Charles Darwin
A Book of Exposition
Homer Heath Nugent
History of the inductive sciences
William Whewell
Fish Histology
Doaa M. Mokhtar
Spectroscopic Membrane Probes
Leslie M. Loew
Cognitive Illusions
Rüdiger F. Pohl
Annales scientifiques de l'École normale supérieure
École normale supérieure (France)
Illustrations of universal progress
Herbert Spencer
La formation de l'esprit scientifique
Gaston Bachelard
Proceedings of the Royal Society of London
Royal Society (Great Britain)
Method and results
Thomas Henry Huxley
Principles of Biostatistics
Marcello Pagano
A shorter history of science
William Cecil Dampier
Science for all
National Book League.
Bose-Einstein condensation in dilute gases
Christopher Pethick
Calculus&Mathematica
Bill Davis
Young Scientists Series
Nury Vittachi
A Really Short History of Nearly Everything
Bill Bryson