Burton and the Giggle Machine: Burton and the Giggle Machine
When Burton invents a machine to make people laugh, it arouses curiosity and greed in the evil Professor Savvy
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When his "growl multiplier" invention fails to cheer up his friends, who are burdened with such problems as a skateboarding traffic ticket and an irrepressible puppy, Burton invents the ultimate picker-upper. Reprint.
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