You may find the following links helpful in your understanding of those texts which we will cover during AP.
Arcadia: This is a comprehensive site for Arcadia by Tom Stoppard organized by Skidmore College. http://www.skidmore.edu/academics/theater/productions/arcadia/
Arcadia by Stoppard site that includes plot summary, Stoppard biography, and much more. http://teachers.edenpr.org/~rolson/ArcadiaWeb/
Arcadia: Chaos, Fractals, and Arcadia: Check this out for an explanation of the themes. Created by a professor at Boston University. http://math.bu.edu/DYSYS/arcadia/
Hard Times: a comprehensive site that includes information about Dickens and the text. http://www.fidnet.com/~dap1955/dickens/hardtimes.html
Hard Times: The Victorian Web that has some useful information. Read the criticism about Hard Times and why it is a "bad novel." http://www.victorianweb.org/authors/dickens/hardtimesov.html
Hard Times: Bibliomania: The full text of Hard Times online in case you forgot to bring your book with you. Also includes some information about the characters and more. http://www.bibliomania.com/0/0/19/38/frameset.html
The Poisonwood Bible: Bataan Death March http://history.sandiego.edu/gen/st/~ehimchak/death_march.html