photographs depict the sexual system organised in the 24 original categories. Nils Uddenbergs inspiring words enable us to follow Linnaeus from his youth growing up in Stenbrohult, a town in the region of Småland, to esteemed professor in Uppsala of worldwide repute. Pia Östensson, a biologist working at the Swedish Museum of Natural History, is scientific consultant and captions author. A Passion for Systems was the Linnaeus Tercentenarys official anniversary book and was published in Swedish, English and Japanese.