Detective Comics #7

"Batman uncovers the truth behind a string of underworld killings involving a guest at the Penguin's Iceberg Casino, but time is running out! Is unimaginable terror about to strike on the floating gambling den? And what will Bruce Wayne do now that he's discovered some of Charlotte's most well kept - and darkest - secrets? It's death and destruction in the highest of high stakes games at the Iceberg Casino!"