Real Live Boyfriends, the fourth book in the series that starts with The Boyfriend List, comes out Dec 28. Not in time for Christmas (or Hannukah!) but in time for post-holiday sales and using of gift cards. 

For tour dates in the NYC area, keep your eyes here. 

Meanwhile, I'm here to tell you what to buy your teens for the holiday that's actually in stores! Here are some recs I've given to friends lately.

FOR THE 10-11 YEAR OLD GIRL:  
Eleven by Lauren Myracle

FOR THE 10-11 YEAR OLD BOY who likes Wimpy Kid:
N.E.R.D.S. by Michael Buckley (we sold a ton of these when I ran our school book fair!)

FOR EITHER SEX, SAME AGE:
Skulduggery Pleasant by Derek Landy 

FOR the 12-13 YEAR OLD GIRL:
Dash and Lily's Book of Dares by David Levithan and Rachel Cohn
Gimme a Call by Sarah Mlynowski
The Ghosts of Ashbury High by Jaclyn Moriarty 

14-UP GIRL OR BOY 
Will  Grayson, Will Grayson, by David Levithan and John Green
The Things a Brother Knows by Dana Reinhardt

17 Yr OLD
The Magicians by Lev Grossman (an adult title with adult situations, but wonderful, with lots of teen appeal)