Becca Singer is having the Worst Day Ever. Her best friend, Harper, dumped her, and Becca is totally friendless and alone. The the box arrives in the mail. Inside the box? One bracelet, plus a mysterious note telling Becca to make a wish. So Becca puts on the bracelet--why not, right?--and wishes to have friends. Lots of friends. So many friends. And just like that, the magic works. Suddenly, EVERYONE wants to be Becca's BFF, from all the kids at...