Description Dai is the world's best spy. In the spy world, he is famous for his spy skills. There is only one problem. Dai doesn't really have any spy skills. He has gotten by on nothing but luck. And now his luck may be running out. In Level 10 - White, children read with increasing fluency. They will have learned most of the common letter-sound combinations and can read familiar words automatically without needing to sound out and blend.