Complex sentence: Many important themes are referenced throughout the story, (the magic of reading, self-discovery, meating the Other) and some of the most valuable include those of loyalty, courage, and standing strong in the face of danger.
Split into simpler sentences: Many important themes are referenced throughout the story (the magic of reading, self-discovery, meeting the Other). Some of the most valuable include those of loyalty, courage, and standing strong in the face of danger.