No, not the.effing.librarian in purple. You can speculate on that meaning without my help.
But that thing above it, I don't know what the hell that is. The words are supposed to say (from left to right), "Pretty Atomic Library." And the symbols could mean, "Peace, Love, Nuclear Happiness."
Whatever. But if anyone wants to call their blog (or their band) Pretty Atomic Library, you have my blessing. Just send me a tee-shirt.
