RIGHT UP THEIR ALLEY

Old City's Scarlett Alley, 241 Race St., is doing right by its Christmas shoppers, offering a chance to pick up gifts and do some good. From 4:30 to 7:30 tonight, 15 percent of every purchase goes to the National Breast Cancer Coalition. Snacks will be served. 215-592-7898, scarlettalley.com.

'PHILLY LOCAL' HOLIDAYS

Gather 'round the radio, children, for the third annual XPN Philly Local Home for the Holidays show at 10 p.m. tomorrow, hosted by Helen Leicht. You'll hear original holiday songs by JD Malone & the Experts, Jim Boggia, the Soul Survivors, Sharon Little, Ryan Tennis, Sandra Bae, Pete Donnelly, Matt Muir and Paul Sottlie. WXPN (88.5-FM), www.xpn.org.

MEDIEVAL DEVOTION

Get a rare glimpse of medieval Christian life with the Princeton University Art Museum's "Object of Devotion: Medieval English Alabaster Sculpture from the Victoria and Albert Museum," at the Princeton, N.J., campus through Feb. 12. The 60 panels and figures were displayed in homes and churches during the late 14th to early 16th centuries, when religious sculpture flourished in England. The museum is open Tuesday-Sunday (closed Dec. 24, 25 and 31, and Jan. 1). Free. 609-258-3788 or

artmuseum.princeton.edu.

WITH MY LITTLE EYE, I SPY

Time's running short to skulk into "Spies, Traitors & Saboteurs: Fear and Freedom in America" at the National Constitution Center, 525 Arch St. on Independence Mall. The exhibit created by the International Spy Museum ends Jan. 8. Artifacts, multimedia and interactive exhibits reveal the history of espionage in the United States from 1776 to today. $15 adults, $14 ages 65-plus and students, $11 ages 4-12. Closed Christmas Day. 215-409-6700, www.constitution

center.org.

SHE'LL TELL YOU THIS . . .

Short-story writer and erstwhile Main Line mom Robin Black published 2010's If I Loved You, I Would Tell You This . . . to major acclaim (Oprah Winfrey's O magazine, NPR). She discusses her experiences and advises the aspiring at 11 a.m. Wednesday. Central Library, 1901 Vine St., 215-686-5322.

- Daily News staff