Bilingual English/Spanish. In this lighthearted bilingual immigration story, a young girl sees the word alien on her mother's Resident Alien card and concludes that her mother is from another planet--until the girl finds out that the word has more than one meaning. When Mam 's purse falls on the floor, Sofia gets a peek at Mam 's old Resident Alien card and comes to the conclusion that Mam might be an alien from outer space...