Katie said to Emma W. as the girls walked outside with the rest of the kids in class 4A. “Everyone else at school is inside doing work, and we’re out here.” “I know,” Emma W. agreed. “I wonder what kind of game we’re going to play.” The girls didn’t have to wait long to find out. A minute later, Mr. G stood in front of the class. He was holding a blindfold. “Today we’re playing a game called Bat and Bugs,” Mr. G told the kids. “One of you will be a bat, and the rest of you will be mosquitoes. The trick is for the bat to catch as many mosquitoes as he can.” “Oh, it’s just like tag,” Kadeem Carter said. “Sort of,” Mr. G said. “Except the person who is doing the tagging is blindfolded.” The kids all stared at their teacher. That didn’t make any sense at all. “How is the bat supposed to find the mosquitoes if she’s blindfolded?” Mandy Banks asked Mr. G. “With echolocation,” Mr. G replied. “Echo what?” George asked. “Echolocation,”
