Lisa is excited for the Challenge Day contest at Morino High School. She's sure her team will win the prize for Best art sculpture. But Henry Mark, captain of another Challenge team, tells Lisa he's going to win.
Lisa's ready to prove him wrong - or she would be, if Abby didn't mess up all of her plans! Abby says she's just trying to be nice, but Lisa's not so sure. Just whose side is her sister on, anyway?

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Ask Miss Know - It - All
Teen FictionAbby can't believe what she found in her favorite teen advice column. A letter complaining about sisters, from a girl who sounds just like Lisa! Lisa reads the same letter -- and thinks it's from Abby! Now its war between the sisters! Can one m...