The Science Lab was a science book that was given to Greg by Rowley as a birthday gift in Wrecking Ball.[1]
Linda Jefferson bought this book for Greg on his birthday. Years later, it was still in perfect condition as Greg never read it, he tries to sell it as one of his products in his yard sale but Rowley got mad at him due to it being Rowley's gift.
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- ↑ Wrecking Ball, page 18