for classics i would highly recommend:
Phantom of the Opera by Gaston LeRoux
Count of Monte Cristo by Alexandre Dumas
Jane Eyre by Charlotte Bronte
Persuasion by Jane Austen
Heidi by Joanna Spyri
for teens (I'm not very good at this one)
Mediator Series - Meg Cabot
Vampire Diaries by LJ Smith
Sons of the Dark - Lynne Ewing
Maximum Ride - James Patterson
Sweep (Wicca) Series - Cate Tiernan
others you might like:
Gossip Girl Series, It Girls Series, Poseur and The Sisterhood of the Traveling Pants, any James Patterson, John Grisham, Dan Brown, Anne Rice and Patricia Cornwell
hope this helps...
