If you've got $40,000 burning a hole in your pocket let me recommend this volume from this upcoming auction of old math books from the collection of Haskell F. Norman, who died in 1996. Here's the catalog of other to-be-auctioned math books, which contains several interesting write ups http://www.jonathanahill.com/lists/HomePageFiles/Cat.%20210-Mathematics.pdf ....and the description of this item BERNOULLI, Jacob. Ars Conjectandi, Opus Posthumum. Accedit Tractatus De Seriebus Infinitis, et Epistola Gallicè scripta de Ludo Pilae Reticularis. Woodcut device on title, two folding printed tables, & one folding woodcut plate. 2 p.l., 306, 35, [1] pp. 4to, fine cont. vellum over boards (slightly warped). Basel: impensis Thurnisiorum, Fratrum, 1713. $40,000.00 First edition of “the first systematic attempt to place the theory of probability on a firm basis and is still the foundation of much modern practice in all fields where probability is concerned — insurance, statistics and mathematical heredity tables.”–Printing & the Mind of Man 179. A very fine and large copy preserved in a box. É Dibner, Heralds of Science, 110. D.S.B., II, pp. 46-51. Evans, Epochal Achievements, 8. Horblit 12. -- Thane Plambeck tplambeck@gmail.com http://counterwave.com/