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Phineas L. MacGuire . . . Gets Slimed!

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These are Phineas L. MacGuire's (a.k.a. Mac) goals for 4th grade:

1. To be the best fourth grade scientist ever.
2. To be the best fourth grade scientist ever.
3. To be the best fourth grade scientist ever.

It's a tall order, but he's confident that he can achieve his goal, especially since Aretha has asked him to help her earn a Girl Scout badge by creating the mold that produces penicillin. After all, who knows more about mold than Mac? And how many fourth graders can say that they've rep...