Over the last few decades, economists and psychologists have quietly documented the many ways in which a person's IQ matters. But, research suggests that a nation's IQ matters so much more. As Garett Jones argues in Hive Mind, modest differences in national IQ can explain most cross-country inequalities. Whereas IQ scores do a moderately good job of predicting individual wages, information processing power, and brain size, a country's average score...

"Winter 1939: Danusha and her family are forced to flee their home when the Nazis invade Poland. Danusha's mother, Anna, changes her name and secures a position as a housekeeper in a German doctor's mansion in Kraków where Gestapo meetings are hosted in the kitchen... Her secret is their salvation, but what Danusha remembers most is the solitude, with only her baby brother and the girl in the mirror for company. All Anna ever wanted was a firstborn...

"A Tel Aviv shopkeeper visits his parents' Polish birthplace in an attempt to come to terms with their complex legacy-and is completely unprepared for what he finds there. Yaakov Fine's practical wife and daughters are baffled by his decision to leave his flourishing dress shop for a ten-day trip to his family's ancestral village in Poland. Struggling to emerge from a midlife depression, Yaakov is drawn to Szydowce, intrigued by the stories he'd heard...

The villagers of Chelm, in the rabbi's absence, send a messenger to a nearby village in order to be reminded how to prepare for the coming Hanukkah.

"An allegorical tale about Nazi occupied Poland in which a town's residents are forced to turn over their musical instruments. A young student rescues the hurdy-gurdy of her teacher, who has presumably befallen a terrible fate, and later, a young boy finds the instrument and intends to pass it--and the importance of remembering--on to his future grandchildren"--

Nineteen-year-old Emma Bau has been married only three weeks when Nazi tanks thunder into her native Poland. Within days Emma's husband, Jacob, a fiery and independent scholar, is forced to disappear underground, leaving Emma and her parents imprisoned within the city's decrepit, moldering Jewish ghetto. But then, in the dead of night, she is smuggled out of the ghetto. Taken to Krakow to live with her husband's Catholic cousin, Krysia, Emma takes...

"What if there was a town that Hitler missed? For over fifty years the tiny Jewish shtetl of Kreskol has existed virtually untouched and unchanged. Spared of the Holocaust and Cold War, Kreskol has enjoyed an isolated peace. But when a marriage dispute spirals out of control, Kreskol is suddenly rediscovered and brought into the 21st Century. Pesha is in a loveless, arranged marriage and summons the courage to escape Kreskol on foot. But when her...

In Poland in the 1940s, the lives of twins Chaim and Gittel feel like a fairy tale torn apart as they must rely on each other to endure life in a ghetto and the horrors of a concentration camp where they lose everything but each other.

From 1939, when Syvia is four and a half years old, to 1945 when she has just turned ten, a Jewish girl and her family struggle to survive in Poland's Lodz ghetto during the Nazi occupation.

The days and nights of the Rabinovitch family--a rabbi, his wife, and their nine children who live in the Jewish quarter of Lublin, Poland, in the 1920s--are filled with joy, adventure, and ritual, but the biggest adventure occurs one summer when the oldest daughter Adina is betrothed to a young man from Warsaw. Based on the history of the author's Nana Nomi.