by Diane Ackerman (Norton, ISBN: 9780393354256); Last week: 1; Weeks on List: 14 "The true story of zookeepers Jan and Antonina Zabinski, who hid hundreds of Polish Jews during WWII, based on Antonina's diaries."

by Nancy Isenberg (Penguin, ISBN: 9780143129677); Last week: 2; Weeks on List: 6 "We acknowledge racial injustice as an ugly stain on our nation's history. With Isenberg's book, we will have to face the truth about the enduring, malevolent nature of class as well."

by Margot Lee Shetterly (Morrow, ISBN: 9780062363602); Last week: 4; Weeks on List: 23 "The phenomenal true story of the black female mathematicians at NASA whose calculations helped fuel some of America's greatest achievements in space. Now a major motion picture."

by Jen Sincero (Running Press, ISBN: 9780762447695); Last week: 3; Weeks on List: * "Sincero helps you understand why you are how you are, how to love what you can't change, how to change what you don't love, and how to start living the kind of life you used to be jealous of."

by Timothy Snyder (Tim Duggan Books, ISBN: 9780804190114); Last week: 5; Weeks on List: 9 "Today, our political order faces new threats, not unlike the totalitarianism of the 20th century. We are no wiser than the Europeans who saw democracy yield to fascism, Nazism, or communism. Our one advantage is that we might learn from their experience."

by Siddhartha Mukherjee (Scribner, ISBN: 9781476733524); Last week: 8; Weeks on List: 2 "Mukherjee animates the quest to understand human heredity and its surprising influence on our lives, personalities, identities, fates, and choices."

by Matthew Desmond (Broadway, ISBN: 9780553447453); Last week: 6; Weeks on List: 11 "Desmond transforms our understanding of extreme poverty and economic exploitation while providing fresh ideas for solving a devastating, uniquely American problem."

by Adam Grant (Penguin, ISBN: 9780143128854); Last week: 7; Weeks on List: 14 "Grant examines how people can champion new ideas--and how leaders can encourage originality in their organizations."

by Jennifer Ackerman (Penguin, ISBN: 9780399563126); Last week: 13; Weeks on List: 5 "Ackerman delivers an extraordinary story that will give readers a new appreciation for the exceptional talents of birds and let them discover what birds can reveal about our changing world."

by Harvard Business Review, et al. (Harvard Business School Press, ISBN: 9781422157992); Last week: 10; Weeks on List: 19 "A collection of Harvard Business Review articles to help you maximize yourself."