The Kid sat on the edge of the bed, watching Karlsson eat his sandwiches. He was so happy to have his best friend staying the night, and for once Karlsson was contented too.
“Sandwiches are good, and you’re good, and the House Tyrant is good too,” said Karlsson. “Though she didn’t believe I was top of the class,” he added, his face clouding over. Clearly, that still bothered him.
“Oh, never mind,” said the Kid. “Uncle Julius wants me to be top of the class, and I’m not.”
“Of course you’re not,” said Karlsson. “But I could teach you a bit of addi… that thing you said.”
“Addition,” said the Kid. “You’re going to teach me?”