A tour of Philadelphia's Mütter Museum, with junior tour guide A.J. Join A.J., the Philadelphia Mütter Museum’s junior guide, on a tour of the world’s best-known medical museum. A.J. will take young readers on a fun and educational adventure through the Mütter’s amazing collection of unique medical specimens and objects. Accompanied by playful illustrations, this look at medical marvels and mysteries will enthrall and inform science lovers of all ages. A.J. has all of your questions covered, from the height of the Giant to the length of the Megacolon. Learn all about how the human body works (or doesn't!), and keep your eyes peeled for some of the museum's most famous see-through residents!