In Jessica Kaye's "Rapunzel," the fabled long-haired girl cuts her hair and leaves her tower to search for her lost prince. Along the way, she finds the life she always wanted-and ends up saving a kingdom in the process.But what was the prince doing while Rapunzel was rescuing herself? The parallel novel "Rapunzel's Prince" tells us all about his adventures as he searches the world for the girl with impossibly long hair.