Gr 4-6-- Nervous about the spring piano recital in which she is to play Greig's ``In the Hall of the Mountain King,'' Tania looks forward to a visit from her grandmother, her first piano teacher. But when she arrives, Grandmother seems distant and critical, no longer the reassuring refuge Tania remembers. As she prepares for the recital during the week, Tania learns new things about her grandmother and, more importantly, about herself. Despite its brevity, the story has a quiet intensity generated by the conflict between the well-realized characters of Tania and her grandmother. Peters writes of those things that are passed between generations, and those that readers must learn for themselves. The troll motif is used skillfully to echo the theme of the story. The trolls in Greig's music remind Tania of the stories her grandmother used to tell her; they also play their part in symbolizing for her the struggle she must go through and the emotions she feels as she plays the piano. This warm, easily read family story moves forward in a mixture of action, introspection, and humor to a satisfying conclusion. Wooding's shaded black-and-white pencil illustrations reinforce the mood of the story while adding a further dimension to Peters' characterizations. --Ruth S. Vose, San Francisco Pub . Lib .