Balloon Blow-Up
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Joe and Frank Hardy win a contest to be handlers for a Green Crawler balloon in the annual fall festival, but when the balloon is sabotaged the day before the parade, the brothers must investigate. Joe and Frank Hardy win a contest to be handlers for a Green Crawler balloon in the annual fall festival, but when the balloon is sabotaged the day before the parade, the brothers must investigate. Book #13
Hardy Boys (Fictitious characters)Juvenile fictionFictionMystery and detective storiesBalloonsParadesVandalismChildren's fictionHeroes, fictionBalloons, fictionseries:HardyBoyscollectionID:HBsf