Millennium Park’s Hidden Garden is a hidden gem. Separated from the city bustle by a 15-foot-high hedge of conifers and trees, the Lurie Garden is the perfect spot for sneaking in a few chapters of your favorite book or meeting your summertime fling. The best cupcakes are from Sweet Mandy B’s. This is a fact. (And in 1930, the Twinkie was invented in Chicago. This is also a fact.) The Chicago River flows backwards. In the late 19th century, the river was reversed to empty into the Mississippi River instead of Lake Michigan, so all the garbage wouldn’t contaminate the lake—source of the city’s drinking water. Chicago banned paying public toilets in 1973. So all public restrooms are free – now good luck finding one! theWit has a Rooftop bar and it’s amazing. You can check it out in winter (curl up by the fireplace) or summer (look at those views!). Hanging out here one night with author Abby Green, I was struck by an idea: two people have a sexy dalliance on adjoining hotel balconies in the dark. No names, no faces, no touching—each other. And so IN SKATES TROUBLE, the Chicago Rebels prequel novella was born. IRRESISTIBLE YOU…