The ability of radiation to penetrate the body and chart density and metabolic activity has led to a wide range of tools for medical imaging, including mammograms, PET scans, CT scans, bone-density tests, MRI, and other technologies. Learn how these tools work; what they reveal; and when, if ever, the doses of radiation might pose a significant risk.

One of the most acclaimed and beloved entertainers, Steve Martin is quickly becoming recognized as a gorgeous writer capable of being at once melancholy and tart, achingly innocent and astonishingly ironic (Elle). A frequent contributor to both The New Yorker and the New York Times as well as the author of the New York Times bestseller Pure Drivel, Martin is once again poised to capture the attention of readers with...

A club-footed orphan struggles for independence, his intellectual development and his attempt to become an artist.

After two women are killed, medical examiner Maura Isles and homicide detective Jane Rizzoli uncover an ancient horror in a cloistered convent that leads them toward a dawning revelation about the killer's identity -- one that's too shattering to consider.

Featuring six real x-rays printed on mylar, Jessica's X-Ray is a unique and fun look inside our bodies and the world of x-rays written by a professional x-ray technologist who has worked extensively with children. In the book, kids follow Jessica, who has broken her arm, as she tours the hospital seeing x-ray rooms and looking at actual x-ray, CAT-scan, MRI and ultrasound images. These real x-ray images are printed on mylar so readers can see firsthand...

Ptolemy Grey is a 91-year-old man, suffering from dementia and living as a recluse in his Los Angeles apartment. Then Robyn Small, a 17-year-old family friend, appears and helps clean up his apartment and straighten out his life. A reinvigorated Ptolemy volunteers for an experimental medical program that restores his mind, and he uses his last days--shortened now by the medical experiment--to delve into the mystery of the recent drive-by shooting...

The "book of the dead" is the morgue log, the ledger in which all cases are entered by hand. For Kay Scarpetta, however, it is about to have a new meaning. Fresh from her bruising battle with a psychopath in Florida, Scarpetta decides it's time for a change of pace--not only personally and professionally, but geographically. Moving to the historic city of Charleston, South Carolina, she opens a unique private forensic pathology practice, one in which...

Dr. Moreau's daughter, Juliet, travels to her estranged father's island, only to encounter murder, medical horrors, and a love triangle.

Hoping to travel to Germany to ask for help enrolling in medical school, Felicity has no money for the trip until a mysterious woman offers to travel with her and pay her way, which ends up entangling Felicity in a perilous quest across Europe.

Jack, who is sixteen and has anorexia, spends the summer in an eating disorder ward for teenagers and befriends both his overweight roommate and a dangerously thin dancer.