roller coasters

this semester i read roller coasters. this book is all about roller coasters. the book starts out with the history of the coasters. it goes from ice to wooden. then there is the steel coster chapter where it tells you about the very first steel coaster. then it talks about xtreme costers wich some have drops over 200 feet. throght reading this book i learnd manny new things. overal its a great book for boys and girls. if you like rollercoasters you should definitly read it.