Complex sentence: These books are the personal diary of 14-year-old Nikki Maxwell, featuring drawings, doodles, and comic strips that chronicle the daily drama of her life in (and outside of) middle school.
Split into simpler sentences: These books are the personal diary of 14-year-old Nikki Maxwell. They feature drawings, doodles, and comic strips that chronicle the daily drama of her life in (and outside of) middle school.