rising junior in need of advice

<p>should I start studying for the psat?
Didn't take it as a sophomore I didn't think i had enough math plus i wanted a chance to study I'm skipping a level of math over the summer..
trig in the fall
strong on verbal
ok-strong cr
lacking math-will skipping a level be enough?
any recomended prep books for sat psat or act?
how about for ap-us,gov,lang and comp or psych?
all advice is greatly appreciated...</p>

<p>how about taking the real thing 0.o</p>