书籍详情
格式
平装书
页数
24
语言
英语
已发布
Sep 1, 2007
出版商
Bellwether Media
ISBN-10
1600141269
ISBN-13
9781600141263
描述
Explore the heart-pounding excitement as mountain bikers race over rugged terrain. Students will learn the difference between cross-country and downhill mountain biking, the technology behind the bikes and equipment, and how mountain bikers stay safe while having fun.
类型
科学与技术