Has anyone used Dr. John Chung's Math-2 ?

<p>Hello!</p>

<p>I just bought Dr. John Chung's SAT Math Level-2 prep book...I heard that it is good book but has anyone used it? How is it when compared to other prep books and official exams?</p>

<p>it’s hard. Harder than the real thing. do well on that book and you should do great on the real test!</p>