Though Kant is best known for his strictly philosophical works in the 1780s, many of his early publications in particular were devoted to what we would call 'natural science'. Kant's Universal Natural History and Theory of the Heavens (1755) made a significant advance in cosmology, and he was also instrumental in establishing the newly emerging discipline of physical geography, lecturing on it for almost his entire career. In this volume Eric Watkins brings together new English translations of Kant's first publication, Thoughts on the True Estimation of Living Forces (1746–1749), the entirety of Physical Geography (1802), a series of shorter essays, along with many of Kant's most important publications in natural science. The volume is rich in material for the student and the scholar, with extensive linguistic and explanatory notes, editorial introductions and a glossary of key terms.