Complex sentence: It is a young girl's diary which outlines in strange and evocative writing her day to day life, and conversations with her nurse, gradually developing a mounting atmosphere of suspense with suggestions of witchcraft.
Split into simpler sentences: It is a young girl's diary which outlines in strange and evocative writing her day to day life, and conversations with her nurse. The girl's tale gradually develops a mounting atmosphere of suspense with suggestions of witchcraft.