Cat journal since her cat is her second best friend (after you, of course!), $13.
This delicate silver heart ring, so she knows she'll always have a piece of your heart, $24. Or, how about this gold one ($12)?
Lists because she always gets excited about off-beat trivia, $24.95.
A constellation calendar to match her out-of-this-world personality, $25.
Bear key chain because no matter how old she gets, she'll always be your sister bear, $40.
A striped umbrella for sunny beach reading, $49.
This big bag for all her library books, $35.
Crossword-inspired paper weight to inspire her when she's puzzling, $30.
The complete first season of 2 Broke Girls since it's her current guilty pleasure, $34.99.
An afternoon of "sister time," complete with root beer floats and making matching anchor bracelets, so you both remember to an anchor for each other, PRICELESS!