“Christopher explains that he ranks the day according to the number and color of the cars he sees on his way to school. Three red cars in a row equal a Good Day, and five equal a Super Good Day. Four yellow cars in a row make it a Black Day. On Black Days Christopher refuses to speak to anyone and sits by himself at lunch.”

“Christopher explains that he ranks the day according to the number and color of the cars he sees on his way to school. Three red cars in a row equal a Good Day, and five equal a Super Good Day. Four yellow cars in a row make it a Black Day. On Black Days Christopher refuses to speak to anyone and sits by himself at lunch.”

— Mark Haddon