Based on the tweet "My author copies have landed in Australia. My agent has them. Soon, I'll be able to hold one and flick through it. #excitement #StoneCircle", categorize the level of joy felt by the author. Select from the following: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.