Dark Horse Comics:

The Perhapanauts (2005) 1-4

The Perhapanauts: Second Chances (2006) 1-4

Image Comics:

The Perhapanauts (2008) 1-6 + Annual

[One Shot] Perhapanauts Halloween Spooktacular (2009)

[One Shot] The Perhapanauts: Molly’s Story (2010)

The Perhapanauts: Danger Down Under! (2012) 1-5