All I know is a guy in our group took one (he might have called it a night goblin fungus brewer!)
He also had a big un carrying a Halfling cook book, which he assured us had a suitable level of illustration that even an orc could understand.
'Twere quite brutal for my plucky band of 14 witch hunters to face down a wave of 21 orcs and a troll a couple of times per weekend!