Back On Market  Live next door to Central Park in this fully-renovated, pin-drop quiet studio located on Madison Avenue. The unit has hardwood floors and a large cedar-lined closet with a charming sliding ladder for access to the storage space above. The kitchen has a full-sized window and is loaded with brand new top-of-the-line appliances, including a dishwasher and built-in microwave. Dine at the kitchen island and fill the plentiful cabinets with all of your cooking supplies, there's even a full-height pantry cabinet. The renovated bathroom features glass tiles and a glass shower door, and it also has a window.   1361 Madison Avenue is a charming co-op built-in 1902. This eight-story landmark building has 52 units, a 24-hr doorman, a live-in super, and a beautiful and well-maintained lobby. Amenities include a laundry room, bike room, and storage. It is one of only a few pre-war co-ops that allow up to 75% financing. Pied- -Terre's and guarantors are allowed on a case-by-case basis. Pets are permitted with board approval.  Carnegie Hill neighborhood is named after the famed steel magnate Andrew Carnegie whose mansion sits at 5th Avenue and 91st and now houses the Cooper Hewitt Design Museum. The culture-filled blocks include well-known museums such as Frank Llyod Wright's Guggenheim Museum and The Jewish Museum and are bordered by the Jackie Kennedy Onassis Reservoir in Central Park. The residential neighborhood is lined with brownstones and pre-war buildings, quaintly perched amongst tree-lined streets, and a short distance from Mt. Sinai hospital. Nearby public transportation includes the 4/5/6 and Q subway lines and uptown and crosstown bus stops.