E. Oda, is one of the Greatest storytellers there have been so far. Very good Action and even better Drama, the world is just gorgeous and perfectly made and SUUPEERR funny for any kind of age group.
HIGHLY recommending to read Manga/Comics also.
edit: You can found literally everything inside this show. If you will go and discover the "hidden treasures" about this great show, is up to you, but it has much more to everything, than it seems like at 1st glance.
