A Concise Etymological Dictionary of the English Language
Walter W. Skeat
The Early Growth of Logic in the Child: Classification and Seriation
Jean Piaget & Bärbel Inhelder
Basic Python Programming for Biologists
Krishnendu Sinha
Beelzebub's Tales
Georges Ivanovich Gurdjieff
After Physics
David Z. Albert
Nightfall
Isaac Asimov & Robert Silverberg