A U.S. bestseller sex position guide, introducing 365 positions. - Title: 365 SEX POSITIONS - Supervisor: Atsushi Nagai - Author: Lisa Sweet - ISBN: 978-4-89008-749-2 - Number of pages: 232 pages This is a layman's inspection, so not everything has been checked in detail. Please understand that there may be oversights. Also, as this is a used item, we strongly recommend that those who are sensitive to such things refrain from purchasing. Thank you for looking.