Some of my print publishers have also bought e-book rights. Wildside Press in particular has been actively marketing them.
Several other outlets have now sub-licensed from these three outfits, or from Wildside, so that you'll also find my work in e-book form on Amazon and such outlets as KnowBetter.com and eBookWise.
I've licensed my work directly to three e-book publishers; for more information about them, click the appropriate logo on the right: