Dadnapped: The Junior Novel — Helen Perelman

Melissa Morris has a bad case of sibling rivalry. Her competition? A fictional character in her father's best-selling series of novels about a teenage super spy named Tripp Zoome! Tripp always seems to get in the way of Melissa's moments with her dad and she is getting pretty sick of it. But when her father is “dadnapped' by a group of his overzealous fans, it's up to Melissa to put aside her jealous feelings by tapping into her own inner superhero!