We Found 37 Resources For You.. -

Here is a review of why this works and how to make it more "interesting" for your readers:

Subject: 37 resources: 10 for speed, 20 for depth, and 7 "just for fun." We found 37 resources for you..

It leaves the reader wondering, "Are these the 37 things I've been missing?" Ways to Level Up the "Interest" Factor Here is a review of why this works

If you want to move beyond a standard newsletter vibe, try these tweaks to the subject line or the opening: 20 for depth