Where would you find a professional recording studio that doubles as a funeral parlor? That would be Louisville. Or a hidden set of steps that connects two key parts of an historic neighborhood? Also Louisville. Or even the last ruins of a once-elite neighborhood of mansions owned by New Orleans millionaires? That would be Louisville as well. From a long lost cave to a hidden underground sex club, Louisville has its share of secrets and oddities. Secret Louisville: A Guide to the Weird, Wonderful, and Obscure is a book that answers questions you didn’t even realize you had about the city that stands proudly along the Ohio River. A tree that seems to magically sprout shoes? It’s here. Mummified Saints on display in a local cathedral? That’s Louisville, too. You get the picture: Think of this book as a scavenger hunt of sorts for Kentucky’s largest city, covering the strange, the surprising, and sometimes the silly locales, history and facts. From the legendary birthplace of…