In New Orleans, it looks like a pair of serial killers is going to make Mardi Gras very eventful for Bones unless Bones can kill him first! This is book 0.5 which explains Bone's story before he met Cat in book 1. It's a short story so even if it's been a while since you read her books I would read it and you'll quickly fall back into the story line. I enjoyed this book, but it just wasn't the same without Cat around. Bones and Cat are my favorite duo!