A link to find further reading.
http://www.jewfaq.org/biblio.htm

Another link for reading from huff-post
http://www.huffingtonpost.com/2011/10/24/best-jewish-books_n_1025735.html

A third link on readings.
http://www.beingjewish.com/learning/reading_list.html

Common questions regarding interest in Judaism.  Here are three links.
https://en.wikipedia.org/wiki/Loans_and_interest_in_Judaism
http://www.myjewishlearning.com/article/usury-and-moneylending-in-judaism/
http://www.orthodox-jews.com/jewish-interest-free-loans.html#axzz4dxJdryfA

The story of Purim