The Invention of Nature: Alexander Von Humboldt's New World
Andrea Wulf
C.S. Lewis Essay Collection & Other Short Pieces
C. S. Lewis
Studies in cognitive development; essays in honor of Jean Piaget
Jean Piaget
Cosmos and Psyche: Intimations of a New World View
Richard Tarnas
Be Your Own Sailing Coach: 20 Goals for Racing Success
Jon Emmett
An Essay on the Principle of Population
Thomas Malthus