- Script
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- Pencils
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- Inks
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- Colors
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- Letters
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- Genre
- humor; children
- Characters
- Dennis Mitchell; Grandpa; Alice Mitchell; Henry Mitchell; Joey McDonald; Martha Wilson; Tommy Anderson; Margaret Wade; George Wilson; Mrs. Rowan
- Synopsis
- Dennis tries to make Christmas last twelve extra days.
Twelve of the right-hand pages comprise a 1971 calendar.