Motherland (Simon & Schuster)—a follow-up novel to 2009's Prospect Park West chronicles a group of New York City parents at a crossroads in their relationships.
"I like independent designers and vintage," says the Brooklyn-based writer. "I go high-end for dresses, but if I need a black cardigan, I'll buy one at H&M and just replace it when it wears out."
A black vintage crepe dress with a portrait neckline she bought four years ago. "It's by a label I've never heard of," she says. "I wear it everywhere—to dinners, book parties, and readings."
Her Makeup Story
The conflict: "I have to use so much concealer to hide my dark circles that I wind up with equally unappealing white circles. But when I skip the concealer, everyone asks me if I got enough sleep."
The denouement: Instead of trying to cover up her dark circles, enhancing Sohn's gorgeous lashes makes the discoloration underneath her eyes much less noticeable.
The drugstore hero: Rimmel London Volume Flash ScandalEyes mascara ($7)
Jaclyn Smith top, $16.99; kmart.com for stores.
H&M skirt, $59.95; hm.com for stores.
Emitations.com earrings, $15; emitations.com.
Forever 21 bangle, $5.80; forever21.com.