Re: Sufism Exposed.
No problem. You seem like a young man willing to learn. Heres a link to the book in e-book form. Read the chapters on sufism and its heretic syncretism of semetic and aryan(persian and indian) ideas although Iqbal believes it to lean more towards aryan influences.
http://www.h-net.org/~bahai/diglib/books/F-J/I/Iqbal/metaphys/iqbfn.htm