Complex sentence: Hartigan awakens and discovers the same type of envelope Nancy always uses, except instead of a letter from her inside, it contains an index finger from the right hand of a nineteen-year-old girl.
Split into simpler sentences: Hartigan awakens and discovers the same type of envelope Nancy always uses. Except instead of a letter from her inside, it contains an index finger from the right hand of a nineteen-year-old girl.