a) it will be out in paperback as well as ebook at the end of June, and
b) there's a giveaway for the paperback happening here at Goodreads.
May the people the random number generator likes best win! And in the meantime, if you like the Persephone/Hades myth or know others who do, please consider spreading the word for the giveaway, and adding it to your to-read list. Even if you never get around to buying or reading it, putting a book on a public list helps other readers notice it, which helps writers.
Thank you, and good luck. Back to finding typos I go.