Books Math Books Here are the math books that may be useful for your math journey Elementary Level Singapore Math Series-Highly recommended for Elementary students, build up solid foundation Singapore Math Series-More Challenging Word Problems. ART of Problem series, More challenging Middle School Level I: AMC 8/MathCounts Middle School Level II: AMC 8/MATHCOUNTS/AMC 10 High School Level: AMC 10/AMC 12/AIME High School Level: Pre-Calculus/Calculus Other Olympiad Level Math Books