Okay, I’m not a gazillionaire, so all of this interest is (pardon the expression) purely academic, but check out the 347 lots available in this weeks Christie’s auction of scientific books. A truly amazing collection of rare antique books on a wide variety of scientific topics.

IMPORTANT SCIENTIFIC BOOKS: THE RICHARD GREEN LIBRARY

There’s even an Enigma machine for sale.

And a Hooke’s Micrographia, which you can also get from Project Gutenberg if you don’t have 30 or 40 thousand dollars.