From an author with a ready audience of enthusiastic teen agers here is another story that is just right which details sixteen year old Letty's complete recovery from polio. The scene is Jamaica where Letty has come with her large family. The first problem she must overcome, as the book opens, is that of dismissing her nurse- for Letty is at the stage where will power is beginning to count more than crutches. Bravely but with a grudge Letty lets Miss Dorothy go but there is a chip on her shoulder that remains after the nurse's departure a general apathy that almost prevents her from the benefits of her environs. Then with Nat, the boy next door, Letty begins to have fun. A movie company comes to make an unde film. The kids take part in it and as the work progresses Letty exercises her way to health and through the magic of underwater scenes realizes her own ambition to paint. Courage in the Carlbbeau.