Check, please.

EAT
Lunch at R2L Restaurant
What: The swanky nightspot now serves truffle flatbread, chicken cheesesteak, and other tasty items in the daylight.
Why: Your midday meal tastes better with a jaw-dropping view.
When: Mon.-Fri., 11:30 a.m.-2 p.m.
Where: The Residences at Two Liberty Place, 50 S. 16th St., 37th flr. (215-564-5337).

PREEN
Tierra Mia Organic Nail Spa at Sa Va
What: Karina Restrepo dishes on natural polishes and removers, which may convince you to lay off fume-filled, toxic products forever.
Why: Free mini manicures.
When: Thurs., 5:30-7:30 p.m.
Where: 1700 Sansom St. (215-587-0004). Admission is free.

SHOP
Sale of the Century
What: Big-time steals — 75-90 percent off (reg. $595-$2,390) — luxe lines like Peter Som and Lela Rose.
Why: Ritzy shoes for $99 mean it’s not the end of the world if they get scuffed.
When: Thurs.-Sat., 10 a.m.-6 p.m.
Where: Adresse, 1706 Locust St. (215-985-3161).

INTERACT
One Book, One Philadelphia
What: Pick up a copy of Sherman Alexie’s War Dances or The Absolutely True Diary of a Part-Time Indian, then join in activities throughout the city.
Why: Hit up a poetry workshop and maybe you’ll be the next literary star.
When: Thru Mar. 17.
Where: Locations online at freelibrary.org.

Photo: Brett Thomas / Courtesy of R2L Restaurant