Biff and Li had a late lunch, took a small siesta, then had a refreshing swim in the hotel’s pool. It was growing dark when Mr. Brewster and Hank Mahenili came back. “We’ve got the boat, Biff. And it’s a real honey. As trim a craft as you’d ever want to see.” “Where is it, Dad?” Biff wanted to see the boat. “Tied up at the municipal wharf. Know where that is?” “We sure do. We were down there this afternoon. I wonder how we missed you.” Biff then told his father and Mr. Mahenili what he and Li had learned. “I felt sure it would be Perez Soto. And he rented a powerful cabin cruiser?” Mr. Brewster asked. “That’s right, Dad. Li’s kamaaina friend thinks it was the Monday Dr. Weber disappeared.” “It all adds up. We can’t get to Hawaii fast enough now.” “Are we leaving tonight?” Biff asked. “About ten o’clock. Have to wait until then for supplies to be delivered.” “Gee, is it all right if Li and I dash down to the dock and look at the boat?” “Sure. You’ll have time. But don’t stay too long. We’ll be having dinner in an hour.” Biff and Li started for the door. “Hey!” Mr. Brewster called. “Don’t you think you ought to know the boat’s name? It’s the Easy Action.” It was growing dark when Biff and Li reached the dock. There was the trim craft, painted a bright white, with a golden arrow trimming its sides. Its two masts swayed gently from side to side in the gently rolling water. “She’s a beauty, all right,” Biff said to Li as they approached the boat. “Come on, let’s go aboard.” Biff felt Li’s hand on his arm, restraining him. “Hold it, Biff,” Li said in a whisper. “I think I saw someone on the boat. Let’s duck behind these pineapple crates.” They peered