Last time my dad was in the U.S., he spent a couple of hours in a bookstore choosing a book to give to my sister for Christmas. He picked one, took it home with him, and gave it to my mom to put it in a safe place.
A few days before Christmas my mom and dad remembered they had the book to give to my sister. My mom went to get it but she couldn't find it. She spent a couple of days looking for it all over the apartment, with no luck.
Christmas has come and gone and they still can't find the book.