You are welcome to download the ebook, code samples, and image material of the book "Displays: Fundamentals and Applications" free of charge.
If you think that this material is of any value to you, please make a donation at http://www.krebshilfe.de or http://www.cancer.org .
"Spatial Augmented Reality Merging Real and Virtual Worlds" at http://140.78.90.140/medien/ar/SpatialAR/download.php
and
"The End of Hardware" at http://www.theendofhardware.com/