How many books are there?" said Masklin. "Hundreds! Thousands!" "Do you know what they're all about?" Gurder looked at him blankly. "Do you know what you're saying?" he said. "No. But I want to find out." "They're about everything! You'd never believe it! They're full of words even I don't understand!" "Can you find a book which tells you how to understand words you don't understand?" said Masklin. Gurder hesitated. "It's an intriguing thought," he said.