I have offered to head up a book called "A Practical Introduction to Image Processing" for the GlobalText projecthttp://globaltext.terry.uga.edu/ . Their mission is to have people write "open access" text books and then freely distribute them throughout the world. The project leaders thought an image processing book would be well received.
My intent is to convert the topics present in this document : http://engineeringnotes.net/Notes/EE/ImageProcessing.pdf into a short book. I do not want to get into signal/sampling theory and the "big fancy" equations of the transforms, etc, but I would like to expose practical image processing concepts in a "non-mathy" way, to be understood by non-experts and readily applied.