Codex Leicester

Leonardo da Vinci's scientific manuscript, the Codex_Leicester The Codex Leicester (also briefly known as the Codex Hammer) is a collection of scientific writings by Leonardo da Vinci. The codex is named after Thomas Coke, Earl of Leicester, who purchased it in 1719. The codex provides an insight into the mind of the Renaissance artist, scientist and thinker, as well as an exceptional illustration of the link between art and science and the creativity of the scientific process. , holds the record for the highest sale price of any book. It was purchased by Bill Gates for $30,802,500 USD.