VG copy of Little Blue Book #950, The Determination of Sex, by William J. Fielding, copyright 1925. Tight copy with no tears or writing inside or on cover. This booklet is quite intact (no loose or missing covers); however, it is nearly 100 years old and should be handled respectfully.  Winning bidder $2.49 for first class shipping. Non US bidders pay actual international first class rate, plus $1 for shipping/handling. Other payment methods by arrangement. Considerable discount on shipping multiple wins. However, please do not pay for each item individually. eBay imposes a 15% tax to the seller on shipping and postage on each transaction, weakening our capacity to discount. If you have multiple purchases, please request on invoice from us, which will reflect a discounted shipping charge.