Books for robotics related engineering in high school

Looking for suggestions for good books related to robotics engineering in high school.

Thanks

Teaching of engineering concepts through robotics? If you want a great inexpensive “starter” for the classroom you can’t beat what $20 bucks can get you here: http://www.vexrobotics.com/education/classroom-competition/275-1419.html

from what I understand, some pretty cool people put this together :wink: