Still moping months after being dumped by her Arizona boyfriend Leo, fifteen-year-old Stargirl, a home-schooled free spirit, writes "the world's longest letter" to Leo, describing her new life in Pennsylvania.
Having recently discovered she is the sole heir to the throne of a tiny European principality, fourteen-year-old Manhattan resident Mia writes in her journal about her attempts to cope with this news, as well as with more typical teenage concerns.