A tad convoluted
It's all over the place initially, lots of seperate threads that seem to have no relationship to each other. In the end they do come together, but it takes a lot of the book before that happens
As to the main characters, you have to start wondering how they have managed to get this far, let alone potentially win. It's a calamity of errors, with no one actually taking the lead and them bumbling along from one misadventure to the next
After 7 books, book 8 is a definite, but only just