Respuesta :
I think "The author's work of literature is full of many confusing pieces." and "This literary work has many challenges and pitfalls." are more precise while professional.
However I have a suggestion: change "The author's work of literature is full of many confusing pieces." to "The author's work of literature consists many confusing pieces."
However I have a suggestion: change "The author's work of literature is full of many confusing pieces." to "The author's work of literature consists many confusing pieces."