You want intense? How about riding your motorcycle through mud and muck, soaring over jumps, and battling the world's top racers? Motocross racing calls for guts, skill, and goggles! Learn all about the top riders, find out how the sport got started, and take a few laps with some world champions. This title will allow students to refer to details and examples in a text when explaining what the text says explicitly and when drawing inferences from the text.