Excerpt from Dr. Mütter's Marvels by Cristin O'Keefe Aptowicz, plus links to reviews, author biography & more

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Mutter knew that surgery was his calling, and raced through the streets of Paris to study the work of its greatest practitioners. He was aggressive in his pursuits, pushing through crowds to secure the best seats at the surgical lectures, or firmly staying as close as possible to the lecturing doctors as they made their rounds in hospital, no matter how much the other students pushed. Meals of spiced mutton and fresh bread went half-finished as he plotted the next week's schedule. Bowls of café au lait were abandoned so he could make an early start every morning, eager to begin his day.

He had come to Paris assuming it would be the doctors themselves who would have the greatest influence on him, these men who were legends in their own time. Chief among them was Guillaume Dupuytren, who ruled over the Hôtel-Dieu, the city's largest hospital, and single-handedly changed how surgery was done. An immensely brilliant operator, exhibiting marvelous dexterity, proceeding with almost inconceivable speed, his boorish arrogance became as famous as his accomplishments in the surgical room. Jacques Lisfranc de St. Martin was head of the Hôpital de la Pitié, the city's second-largest hospital. He was Dupuytren's greatest friend turned into his most bitter rival, and spent most of his life trying to escape Dupuytren's shadow. Lisfranc was known to refer to Dupuytren as "the bandit of the river bank," while Dupuytren frequently called Lisfranc "that man with the face of an ape and the heart of a crouching dog." There was Philibert Joseph Roux—who so dazzled his classes with his graceful and brilliant work that it was said "his operations were the poetry of surgery," but who had also earned Dupuytren's scorn years earlier by winning the hand of the woman they both loved. And Alfred-Armand-Louis-Marie Velpeau, whose textbook on obstetrics was so influential, it had been translated into English by one of America's most respected obstetricians: Philadelphia's own Charles D. Meigs.

Mutter was deeply impressed with the audacity of each of these surgeons' talents and their seemingly inexhaustible work ethic. However, it was not any single man who ended up changing the course of Mutter's life but, rather, a new field of surgery freshly emerging in Paris, which even the French referred to as la chirurgie radicale.

Who sought out this radical surgery?

Monsters. This is how the patients would have been categorized in America. Mutter was used to seeing them replicated in wax for classroom display, or hidden in back rooms away from the public eye. He had seen them in jars, fetuses expelled from their mothers, irreparably damaged. MONSTER, the label would read.

Some of these monsters were born that way: a cleft palate so severe the face looked to have been split in two with an ax. Hardly able to eat or drink, spit collected in pools on the child's clothing as his tongue lolled around the open hole of his mouth, awkward and exposed.

Others were born "normal," but their bodies would slowly turn them into monsters, as tumors laid siege to their torsos or limbs, swelling their legs like soaked wood, their eyes strained and nearly popping.

Other times, the monsters were man-made: men whose noses were cut off in battle, or as punishment, or for revenge, the centers of their faces evolving into a large weeping sore; women whose dresses caught fire, becoming houses of flames from which their owners couldn't escape, the skin on their faces turned into melted wax, their mouths permanently frozen in screams.

Monsters. This is what they were called, and this was how they were treated. For such tortured people, death was often seen as a blessing.

In Paris, however, the surgeons had a solution. They called it les opérations plastiques.

Was it quackery? Mutter wondered when he first heard about it. Was it a trick? Would these unfortunates be presented like a sideshow? Were the doctors in the audience there to learn or to gape? What could surgeons possibly do to help such hopeless cases?

Excerpted from Dr. Mütter's Marvels by Cristin O'Keefe Aptowicz. Copyright © 2014 by Cristin O'Keefe Aptowicz. Excerpted by permission of Gotham Books. All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.