Bill Gates bought most expensive book for over ₹209 crore
Microsoft Co-founder and world's richest person Bill Gates bought the most expensive manuscript priced at over ₹209 crore ($30,802,500) in 1994. The book was Leonardo da Vinci's original script for 'Codex Leicester', also known as 'Codex Hammer'. Compiled in about 1508-1510, the book hinted at the invention of the submarine and the steam engine.