Inner conversation means that there are two voices in the two parts of the cerebral hemisphere of the brain. The inner parent represents the left side of the brain and the child represents the right side of the brain and is described as the inner parent self-parenting the inner child and often resembles the parenting they grew up with as a child.
Not sure I can come up with ten questions (don't have answers) but I can get you started.
1) How did you pick the title of your book, Artemis Fowl?
2) Who is your favorite character?
3) Did you write this book with the intention of having other books follow?