The State Library of Victoria is the central library of the state of Victoria, Australia, located in Melbourne. It is on the block bounded by Swanston, La Trobe, Russell, and Little Lonsdale streets, in the northern centre of the central business district. The library holds over 2 million books and 16,000 serials, including the diaries of the city's founders, John Batman and John Pascoe Fawkner, and the folios of Captain James Cook, R.N..