Puddles the Skunk in Who Ate Santa's Cookies?

Puddles has made her favorite sugar cookies for Santa. It is Christmas Eve night, so she has left some cookies and milk for Santa on a table in the living room. On her way to bed, she goes by the table in the living room and notices only cookie crumbs are left on the plate, but the glass of milk is still full. Someone has eaten the cookies she has left for Santa. Who would have done this? So, she goes in search to find out who ate Santa's cookies.