Truth Serum is an independent comic book series created, written and drawn by author Jon Adams.
In 2006 the Slave Labor Graphics mini-series, along with a long-running story from the Dark Horse Comics website and some new material was collected and self-published by City Cyclopsas a 128-page oversized volume.
The second Truth Serum book, Truth Serum: The Lonely Parade was published in 2007.
Currently it appears as a weekly web comic at Dark Horse's site, as well as the official Truth Serum site.
Jamin Brophy-Warren, "Daily Diversion: Two New Web Comics Worth Your While," The Wall Street Journal (April 2, 2008).
The 2007 Eisner Awards: 2007 Master Nominations List