A great party, like a great mystery, needs to provide a few surprises and even a twist. I have given a good deal of thought to both parties and mysteries because I write about Hollywood event planner/caterer Madeline Bean, and it is her job (when not dodging murderers) to make sure every party guest has a good time. Pulling off a remarkable party isn’t a snap, but it helps to start off with the fun concept. Think vices! Do your friends enjoy imbibing? Try a wine tasting evening. Are they into gluttony? Make sure you feature gourmet goodies. Would they like to gamble? Have an Academy Awards party and keep a tote board to track each guests predictions in each category–perhaps surprising the group with a cool prize for the highest totals. Or try a casino theme. Now if your girlfriends are like mine, they don’t mind flirting, so by all mean pick a theme where everyone dresses up so the women can let their necklines plunge. In my books, the larger-than-life Hollywood types require the Godzilla of all party concepts–from a wedding held at the Natural History Museum’s Hall of Predators (KILLER WEDDING) to a Black-and-White themed charity ball…