Engineering students will find some great resources for reading and writing about the topic.

• How to Read a Book: The Classic Guide to Intelligent Reading by Mortimer J. Adler and Charles Van Doren. (Read an earlier version online.
• The Visual Display of Quantitative Information by Edward R. Tufte
• The Civilized Engineer by Samuel C. Florman
• Representing and Intervening: Introductory Topics in the Philosophy of Natural Science by Ian Hacking
• Surely You're Joking, Mr. Feynman! (Adventures of a Curious Character) by Richard P. Feynman
• American Genesis: A Century of Invention and Technological Enthusiasm, 1870-1970 by Thomas P. Hughes
• The Structure of Scientific Revolutions by Thomas S. Kuhn
• The Elements of Geometry by Euclid
• Discourse on Method by Rene Descartes
• Novum Organum by Francis Bacon

The biography of famous engineers throughout history also make compelling reading.

• A Piece of the Mountain:The Story of Blaise Pascal by Joyce Mcpherson
• Isaac Newton by James Gleick
• Degrees Kelvin: A Tale of Genius, Invention, and Tragedy by David Lindley
• Auguste Comte and Positivism by John Stuart Mill
• Pareto's Republic and the New Science of Peace by Filip Palda
• Genius: The Life and Science of Richard Feynman by James Gleick

And finally, some outstanding fiction about engineering.

• The Mysterious Island by Jules Verne
• Fahrenheit 451 by Ray Bradbury
• Time Enough for Love by Robert A. Heinlein
• Neuromancer by William Gibson
• The Soul of A New Machine by Tracy Kidder