The Sleepover Secret (Two Of A Kind, Book 3) by Mary-Kate Olsen
Meet Mary-Kate and Ashley, the Tween Queen Twins! Your new best friends have just arrived...
What a blast! Ashley is having a sleepover - and Jennifer Dilber, the most popular girl in school, is coming!
Ashley works super-hard to make sure her party will be perfect. She doesn't want any surprises. But she gets a BIG surprise when the girls play Truth or Dare - and Mary-Kate tells Jennifer an amazing secret. A secret she's never even told Ashley...
Adapted by Judy Katschke.
From the teleplay by Dan Cross and David Hoge.
From the series created by Robert Griffard and Howard Adler.