Will it Waffle by Daniel Shumsky is Workman Publishing's "Blue Plate Special" at $2.99. If you buy it from eBooks.com, you get both the PDF and epub. It's couponable at Kobo.
eBooks.com
Kobo
B&N
Amazon
Workman has a number of books on sale right now. Here's a
list ordered by price at B&N. I also picked up
The 12 Bottle Bar (again at
ebooks.com so I could get both formats).