The Medical Center Library is on the second floor of the Learning Resource Center. Google Maps shows the building address as:
Learning Resource Center, 3544 Hickory St., St. Louis, MO 63104, although the building is not actually accessible from Hickory Street.
There is visitor parking available in the Hickory West Garage (3575 Hickory St.) and Hickory East Garage (3424 Hickory St.) (located right next to each other) for $2.00/hour.
Google Map with Marked Entrances and Building Directions
Use the north entrance (from pedestrian walkway, 3544 Caroline Mall, St. Louis, MO, 63104) OR the south entrance (3545 Vista Ave., St. Louis, MO 63104).
Procede east through the lobby.
Once through the lobby glass doors, turn left (north) to access the elevator (or further left of the elevator to access the stair) to the second floor. (Enlarge map to see stairs and elevator, located in gray roughly behind the label 1JR1.)
Once on the second floor, pass through the security gates to enter the Medical Center Library.