Save the Date and Opposite Day!

"Raven thought things couldn't get any worse after Starfire posted an online dating profile for herself. . . until she posts one for Raven too. Then, it's Opposite Day at Titans Tower and chaos reigns supreme! But you know what they say about Opposite Day: it's all fun and games until someone accidentally tears open a rift into the Anti-Matter Universe."--Provided by publisher.