I'm not sure exactly. It depends on different editions and releases. But you can check with major comic book publishers or online stores for the most accurate count.
Yes. The Avatar comics provide more depth and exploration of the world and characters. They've been well-received by fans who want to immerse themselves further in the Avatar world.
There are quite a few. But the exact number can change as new ones might be released. You can check the official publisher's website for the most up-to-date count.
No, Avatar is not a comic book. It originated as a highly successful animated film and later expanded into various related media, but not in the form of a traditional comic book.