Investments
by Bodie, Kane, Marcus
If you really mean it. Certainly no light reading at all. Math should not
have been the subject you hated most as a student. If you had the privilege
of having had Zvie Bodie as your professor you probably own it already. If
you hated math anyway but had Zvie Bodie as your professor you want to buy it
now. But then you did not have Zvie Bodie as your professor.
Managing Investment Portfolios
by Maginn and Tuttle
A student "must read" if you are in finance. i.e. also no light reading and
for the professionals.
Technical Analysis Explained
by Martin J. Pring
If you are a believer in technical analysis (you guessed it, we are not) probably a must.