Boston: Houghton Mifflin Company, 1916. FIRST EDITION, FIRST PRINTING with 1916 date on title page, correct jacket blurbs, etc. Very Good in Good Dust Jacket. Tight binding; clean pages; foxing to endpapers, frontispiece and title page; bookplate on front endpaper; slight wear; dust jacket is a bit worn small tears and chips; moderate soil and foxing; price intact ($1.25). First edition of Burrough's thoughts on some of the problems of science, nature and philosophy. Quite scarce in dust jacket. SEE OUR OTHER LISTINGS FOR MORE INTERESTING RARE AND COLLECTIBLE BOOKS. .