Complex sentence: Hawthorne received a mixed review from Poe, who says "High imaginations gleam from every page," as well as saying the versitility is lacking Hawthorne's tone and character development.
Split into simpler sentences: Hawthorne received a mixed review from Poe, who writes that "high imaginations gleam from every page". He notes, however, that versatility is lacking Hawthorne's tone and character development.