Challenge
From Tardis Wiki, the free Doctor Who reference
Peter Russell told William Bruffin that he liked a challenge. (HOMEVID: The Zero Imperative [+]Loading...["The Zero Imperative (home video)"])
As Henry Van Statten admitted in an interview conducted by Mickey for his website in early 2006, the acquisition of alien artefacts was more of a challenge than his purchase of moondust from an ammo fair. (PROSE: Henry Van Statten [+]Loading...["Henry Van Statten (short story)"])