“That sounds neat,” said Annie. “Yeah,” said Jack. He’d always wanted to meet astronauts and space scientists. “So say the wish,” said Annie. Jack opened the book again. He pointed to a picture of a dome-shaped structure. “I wish we could go there,” he said. The wind started to blow. The tree house started to spin. It spun faster and faster. Then everything was silent. Absolutely silent. As quiet and still as silence could be. Jack opened his eyes. He looked out the window. The tree house had landed inside a large white room. “What kind of training place is this?” asked Annie. “I don’t know,” said Jack. The room was round. It had no windows