Micrographia's a historical book by Robert Hooke, detailing the then twenty-eight year-old Hooke's observations through various lenses. Published in September 1665, it was an immediate best-seller. Observations Hooke most famously describes a fly's eye and a plant cell (where he coined that term because plant cells, which are walled, reminded him of a monk's quarters). Known for its spectacular copperplate engravings of the miniature world, particularly its fold-out plates of insects, the text i… (More on Micrographia)