This would be a vague question, but I still want to ask here. Do you have any recommended book on complex multiplicaton. I know only 2 books: Shimura's book
Abelian Varieties with Complex Multiplication and Modular Functions and Lang's book
Complex Multiplication. Shimura's book used old-language (published in 1961), and I feel it would be nice to read this book when I have already learned complex multiplication. (But it would be great to know if there is something treated only or treated well in this book compared to other resource). There is also Milne's note.
So other than these, do you have recommended books or notes?