AP Macroeconomics and AP Government

I’m thinking of taking these courses next year. At my school there is no teacher for it, so we work with an online teacher. Also these classes go together as semester classes. So…

Are they challenging?
Did you enjoy them?
What review books did you use?
How were the exams?

I have taken 5 AP this year, so I understand the rigorousness of taking AP. Also next year I’m taking four AP (Chem, Physics 2, Lit, and Calc BC) not including these two.