Nerds: The Cheerleaders of Doom - Nerds Book 3

In this third instalment, Matilda 'Wheezer' Choi, the asthmatic who can fly and kick butt courtesy of her inhalers, is the 'POV' character. She and the team are forced to go undercover as cheerleaders to battle a villain who is using a machine to enter different dimensions, wreaking havoc on ours. They must complete their dangerous mission while still pretending to be typical school outcasts.