How many books are in the Research and Desire series?

There are 4 books in the Research and Desire series.

When will the next book in the Research and Desire series be released?

The Research and Desire series does not have a new book coming out soon. The latest book, Double Dose (Book 4), was published in October 2017.

The first book in the Research and Desire series, Erotic Experiments, was published in July 2017.

Order	Book	Genre	Date	Rating
1	Erotic Experiments (e)	Romance / R	Jul-2017	4
2	Natural Selection (e)	Erotica / ER	Aug-2017	0
3	Carnal Chemistry (e)	Romance / R	Sep-2017	0
4	Double Dose (e)	Romance / R	Oct-2017	0