Lawrence Block wrote 'Sensuous' (Berkley Z2113) under the pseudonym of Jill Emerson. Another classic of early Block erotica, it followed on from 'Threesome', published in 1970.
Used availability for Lawrence Block's Sensuous
1972 : USA Paperback
Author(s): Jill Emerson, Lawrence Block
ISBN: 0-425-02113-0 / 978-0-425-02113-2 (USA edition)
Publisher: Berkley Medallion
Availability: Amazon UK