Why not give it a try? You'll never know for sure until you do. It's not all that difficult anyway. Watch the video
for joining in the round (avoiding the dreaded twisted or mobius join) and any others that offer helpful advice. Read ahead in the pattern and see what some of the techniques are. You'll do fine once you get it started and you can always come back here for questions or advice (and a photo of the finished pinafore, I hope).