Answer: involved in an activity for its own sake. The ego falls away. or the mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity. Wikipedia
Explanation: According to positive psychologist Mihály Csíkszentmihályi, what you are experiencing at that moment is known as flow, a state of complete immersion in an activity. He describes the mental state of flow as "being completely involved in an activity for its own sake. The ego falls away.
Answer:
He starts to think more about rescue, urged by Piggy, and worries over the fire. The beach and lagoon side of the island seems to stand for society or civilization. The boys try to avoid the interior of the island, with its "beast," and so they rarely venture to the other side.
Explanation:
I think that it should be, "The book told all about airplanes, tractors, and trucks."