大家好，我买的NOTES有(1)ethics and profesional standards,and quantitative methods  2)corporate finance,portfolio management,markets,and equities3)fixed income,derivative,and alternative investments4)financial statement analysis5)economics我看到网站上说有6本NOTES，还有一本handbook，有人能告诉我缺的是那一本吗？还有，HANDBOOK是什么？

there are only 5 books in the series of Notes.