Serenity: Better Days and other stories is a hardcover collection of comics, set in the Firefly/Serenity Universe, published in 2011. All stories previously published in Dark Horse Comic Books.
Serenity: Better Days (2008), three-issue miniseries, later published as collection in 2008.
Serenity: The Other Half (2008), a single-shot, eight-page comic
Serenity: Float Out (2010), one-shot comic
Serenity: Downtime (2010), a one shot comic