Fay, J. A. and D. Golomb (2002).
Energy and the environment
. New York, Oxford University Press.
Everything you wanted to know about energy, the environment and more. Very thorough, technical, and with many references.
Fenn, J. B. (1982).
Engines, energy, and entropy: a thermodynamics primer
. San Francisco, W.H. Freeman.
This is an excellent resource for the mathematics and physics teacher, yet is easy enough to read. The many tables, technical illustrations, and methodical explanations make it a great reference book.
Macaulay, D. and N. Ardley (1998).
The new way things work
. Boston, Houghton Mifflin Co.
Text and numerous detailed illustrations introduce and explain the scientific principles and workings of hundreds of machines. Includes new material about digital technology.