The Email Marketing Reading List #009 for your reading pleasure.
Tutorial: Build an Interactive Carousel for Email
via Email on Acid
25 Free Responsive, Hybrid + Mobile-Aware Email Templates
via Litmus
Email Marketing 101: Determining the value of a subscriber
via Movable Ink
Insight into Gmail filtering
via Words to the Wise
9 Questions to Ask When Choosing an ESP
via Email on Acid