Johnny Boo: Twinkle Power (Johnny Boo Book 2)

Johnny Boo has 'boo' power and his pet ghost Squiggle has 'squiggle' power. But which is better? And might there be a power that is greater than them both? Wiggle power? Giggle power? Squiggle goes on a quest to learn the secret of twinkle power from the twinkling stars, but doesn't have much luck.