My Nude Brothers by Jennifer Crawsley
A young woman discovers her two brothers lying naked in the sunshine, and this causes her to forget the old incest taboo.  She indulges herself in a threesome that she would never forget.

Mom's Oral Compulsion by Raymond Morris
A tale of incest erotica involving a mother and her son. They tentatively tease one another at first, and then the teasing turns into full blown incestuous mother/son sex.

Snowdrifts by Thomas Wainwright.
This little ebook has a long history.  It has been banned by almost all book suppliers on the web.  Too short to be a novel in its own right, it is a part of the book, "Brothers and Sisters, Volume Two." 
In the story, Thomas Wainwright tells a tale of brothers and sisters caught alone at home in a snow storm, and they find more than one way to keep warm.This is confessional incest erotica for open minded adults only.

A BALL WITH MOTHER by Kathy Andrews is the story of a woman and her family who are forced by their desires to come to grips with turbulent emotions. What happens to them when they confront these emotions together reveals their ability to be honest with themselves and to be unafraid of their own inner feelings.  This novel is incest erotica, and is intended for open minded adults only.  This novel contains scenes of incest between mothers and sons, and is recommended for mature, open-minded adults only.  Incest is a taboo subject in many societies, and this book breaks those taboos with an expose.

This EPUB is readable on all devices and on every web browser on every computer and cell phone. Kindle, Nook, Ipod, Ipad, Android, Windows, and Mac all support this format. This EPUB has no encryption, so one can safely and easily move it from one device to another, or share it with others.

Kathy Andrews has written a number of novels.  They can be found HERE.