The Oliver family takes time away to explore an ancient cave. Samuel's father is keen on showing Samuel the cave, as his own father had done for him. The icy ascent to the cave's mouth is dangerous. Then the Olivers must endure a frigid swim. What treasures does the ancient cave hold for Samuel?
Decoding demand: 84 (very high) Semantic demand: 90 (very high) Syntactic demand: 88 (very high) Structure demand: 84 (very high)