Unabridged. Read by William Dufris and Christine Marshall.
Summary:
"The principal of Jill and Gwen's school promised to spend the morning on the roof if the kids read one thousand books during their reading marathon--and they did! Now he's on the roof, and he's going to read an original science fiction story Gwen wrote ..."
Series:
First chapter books A Fletcher mystery Levy, Elizabeth, 1942- Fletcher mystery.
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