In the past two weeks Zach Wahls has completed the media hat trick of appearing on the Late Show with David Letterman, joking with Jon Stewart on the Daily Show, and reading at Live from Prairie Lights.

Alright, so I made the hat trick thing up. But still, a pretty cool whirlwind tour right there.

Wahls, 20, a environmental engineering student at the University of Iowa was on Letterman last week to promote this month's release of his new book about growing up with lesbian mothers called My Two Moms: Lessons of Love, Strength and What Makes a Family (written with the assistance of Bruce Littlefield).

Wahls then returned to Iowa City to read an excerpt of the book at Live from Prairie Lights (video of appearance attached to this article). Then, last night, Wahls appeared on the Daily Show with Jon Stewart.