Philosophy of Mathematics in the Twentieth Century - Paper
Constantin Boundas
The Oxford Handbook of Freedom
David Schmidtz & Carmen E. Pavel
The Cambridge Dictionary of Sociology
Bryan S. Turner
Plato at the Googleplex
Rebecca Goldstein
To Understand Is to Invent: The Future of Education
Jean Piaget
Modeling Forest Trees and Stands
Harold E. Burkhart & Margarida Tomé