You've sold me. I will give it another try, perhaps with the Merlin codex ones, which I'm sure I've seen around. /me inspects local library catalogue

Twee-fey is one of those excellent words that should lead to something else. People summon the twee-fey by placing one too many dyed agates on a knotwork-patterned tablecloth, and they proceed to stab the summoner with tiny jags of quartz crystal, laughing in high-pitched squeaks of whalesong.