CRACK-UP is a rather well-received psychological thriller (15 of 19 reviews on Amazon and at Smashwords are 5-stars with only two reviewers being friends or relatives of the author, promise). It's on sale for a limited time more at just 99 cents.
http://www.amazon.com/dp/B002HMCLFQ
https://www.smashwords.com/books/view/5363
Also available through Barnes & Nobe, Kobo, iBooks