Grace and Ellie have been best friends since second grade.  Ellie’s always right in the center of everything and Grace is happy to be her sidekick.  When Grace, who loves to collect almost anything, brings some of the buttons discovered in an old mill building her grandfather has purchased to school, however, it’s suddenly Grace who’s getting all of the attention.  The button craze gets the kids in her class, then her grade, and then the entire school over the top excited and collecting and trading them is now an obsession. Can Grace get her own compulsion and this new fad under control before it gets her in real trouble and destroys her friendship with Ellie?  A story about fads and the friendships that outlast them by the late author Andrew Clements that kids will enjoy.