It took them long enough, but some of the biggest names in books and porn have finally realized that sex sells. That's why Cleis Press and Penthouse will begin publishing a new line of digital erotica titles, set to launch this fall. Billed as the Penthouse Variations On series, this line of titles will eventually be a title of six different anthologies, with the first title … [Read more...] about Cleis Press, Penthouse Collaborate on New Line of Erotica eBooks