Doubleday, $27.95. Spanning 80 years and three generations, Lethem's novel realistically portrays an enchanted - or disenchanted - garden of American leftists in Queens. MADDADDAM, by Margaret Atwood. Nan A. Talese/Doubleday, $27.95. The survivors of "Oryx and Crake" and "The Year of the Flood" await a final showdown, in a trilogy's concluding entry. Knopf, $26.95. Amid dark humor both mournful and absurd, former classmates converge on the hilltop estate of a friend who has died in a freak accident. BREACH OF TRUST: How Americans Failed Their Soldiers and Their Country, by Andrew J. Bacevich. Metropolitan/Holt, $26. To Bacevich, a retired colonel, our modern militarism is unsustainable and unwise, and he spreads the blame broadly. KNOCKING ON HEAVEN'S DOOR: The Path to a Better Way of Death, by Katy Butler. Scribner, $25. Butler's study of the flaws in end-of-life care mixes personal narrative and tough reporting. FIVE DAYS AT MEMORIAL: Life and Death in a Storm-Ravaged Hospital, by Sheri Fink. Crown, $27. The case of a surgeon suspected of euthanizing patients during the Katrina disaster. THE CANCER CHRONICLES: Unlocking Medicine's Deepest Mystery, by George Johnson. Knopf, $27.95. Johnson's fascinating look at cancer reveals certain profound truths about life itself. SOMEONE, by Alice McDermott. Farrar, Straus & Giroux, $25. Through scattered recollections, this novel sifts the significance of an ordinary life. A HOUSE IN THE SKY, by Amanda Lindhout and Sara Corbett. Scribner, $27. A searing memoir of a young woman's brutal kidnapping in Somalia.