Quarantine "yellow jack" but this was also a name for yellow fever, which probably derives its common name from the flag, not the color of the victims (cholera ships also used a yellow flag). The plain yellow flag ("Quebec" or Q in international maritime signal flags) probably derives its letter symbol for its initial use in "quarantine", but this flag in modern times indicates the opposite—a ship that declares itself free of quarantinable disease, and requests boarding and routine port inspection. Australia has perhaps the world's strictest quarantine standards. Quarantine in northern Australia is important because of its proximity to South-east
What It Is to Burn with boiling liquid. Doherty said they "just wanted some cool imagery". The art direction and design were done by P.R. Brown, who also did the photography with Kris McCaddon. Initial pressings of the album contained a demo version of "What It Is to Burn", produced by Chris Fuderich. It was replaced on later pressings with a re-recorded version, produced by Trombino. These later pressings were available from June onwards. The UK edition, released on June 2, included an acoustic version of "Letters to You" and the demo of "What It Is to Burn" as bonus tracks. Following the album's release,