You are bidding on a very nice, early 1900s era, undated, 64 page booklet, Little Blue Book no 876 titled Curiosities of Mathematics by Edward Gondon. Really ncie shape with some light pencil scribbles on the cover and really no other wear. Stored away for years very nicely.   

Please add only $3.25 for bubble mailer, shipping and handling with delivery confirmation. That's much less than it will cost me.