The strategies in your book were really useful for increasing speed. After consistently scoring in the mid-700s in the Blue Book practices, the October Math score was a disappointing 670. Your book mentioned increasing speed could decrease accuracy at first, so maybe this was the problem. What other resources would be good now that all the Blue Book problems have been exhausted?
Assuming you’ve already done the free online College Board tests, the next best thing is the College Board’s Online Course, which has 9 more tests written by CB.