关于cfa的指定用书

这10本书另外4本是什么关系啊，cfa协会指定的level 1的教材到底是多少本？请高手指点，谢谢!

1、Level I Candidate Readings
2、The Analysis and Use of Financial Statements,3rd ed.(White,Sondhi,and Fried)
3、Analysis of Derivatives for the CFA Program (AIMR)
4、Economics: Private and Public Choice,10th ed.
5、Fixed Income Analysis for the Chartered Financial Analyst Program,2nd ed. (Fabozzi)
6、Fundamentals of Financial Management, 8th ed.
7、International Investments, 5th ed.
8、Investment Analysis and Portfolio Management, 7th ed.
9、Quantitative Methods for Investment Analysis, 2nd ed. (CFA Institute)
10、Standards of Practice Handbook, Eighth Edition (AIMR)

1、 Ethics,Professional Standards and Quantitative Methods
2、 Economics and Financial Statement Analysis
3、 Corporate Finance and Equity
4、 Fixed Income ,Derivatives,Alternative Investments and Portfolio Management