Brothers and sisters

Aaron Katz's mumblecore flick Cold Weather is set in Portland, Ore.; Lee Chang-dong's Poetry is from South Korea. Critic John Powers says both films are wonderful, in part because the stories they tell are so unpredictable.

Film critic David Edelstein reviews the new Japanese film Nobody Knows.

Book critic Maureen Corrigan reviews Family History, the new novel by Dani Shapiro.

Critic-at-large Laurie Stone review Sarah P. Stuart's debut novel -- a fast-moving coming-of-age story about a sister and her emotionally unstable brothers.