Is Kaplan's SAT Book good enough?

Test Preparation SAT Preparation
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<p>I got in some classes and this book <a href="http://www.amazon.com/Kaplan-Test-Prep-Admissions-Course/dp/B004JBQKIC/ref=pd_sim_sbs_b_3%5B/url%5D"&gt;http://www.amazon.com/Kaplan-Test-Prep-Admissions-Course/dp/B004JBQKIC/ref=pd_sim_sbs_b_3&lt;/a> came included with the price. I'm wondering if it's good enough, or if you really think I should also buy the Blue Book.
I also have Kaplan's Purple Book for Practice and flashcards.
I got an 1600 on my first practice SAT and am hoping for a 1900+ on the real one. </p>

<p>Also, do you think it's worth it to buy Barron's Writing Workbook if I'm struggling with my essays? (I got a 2 on the practice SAT lol...)</p>

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<p>The blue book is the best for practice. I’ve heard that the Kaplan’s SAT book is utter trash.</p>

<p>Barron’s has a decent prep book for CR , I guess their writing workbook is good as well.</p>