The eBook has been published with Draft2Digital. It has been pushed to about 5 eBook retailers so far, and the rest of the major outlets should have it soon. The on-sale date is Monday, April 26. Initial price for the first two weeks is $0.99. After May 10, $4.99.
You can click the Get the Book! links in the text to find a retailer to order from.
Thanks, everyone, and enjoy.