임신 가능한 남녀의 젊은이를 위한 성의 본질에 대한 성교육적인 책으로 의사가 쓴책.
결혼과 성행위와 임신과 출산에 대해서 쓴책.
The Book of Nature,by James Ashton
Containing information for young people who think of getting
married, on the philosophy of procreation and sexualintercourse,
showing how to prevent conception and to avoid child-bearing:
also, rules for management during labor and child-birth