Robinson Crusoe (Modern Library Classics)
Walden and Other Writings (Modern Library Classics)
The Count of Monte Cristo (Modern Library Classics)
The Count of Monte Cristo (Penguin Classics) Either edition is good; both have helpful historical notes.
Heart of Darkness & Selections from The Congo Diary
Till We Have Faces: A Myth Retold
Death Comes for the Archbishop (Vintage Classics)
Julius Caesar (Ignatius Critical Editions) Either edition of Julius Caesar will work. Ignatius notes are from a more traditional perspective.
Julius Caesar (Modern Library Classics)
Ivanhoe: A Romance (Modern Library Classics)
The Importance of Being Earnest: And Other Plays (Modern Library Classics)