Get HFSJ and later probably David Bridgewater's SCWCD. Buy some commercial mocks and try attending the free mocks as well once you finish reading the books and understand the concepts!
SCJP 1.4, SCWCD 1.4 - Hints for you, Certified Scrum Master
Did a rm -R / to find out that I lost my entire Linux installation!
The only thing that kept the leeches off of me was this tiny ad:
a bit of art, as a gift, the permaculture playing cards