Introduction to Microcontrollers (2007) [pdf]
ti.tuwien.ac.at
ti.tuwien.ac.at
Thank you for posting this. Appreciated.
Although I personally favor Atmel's MCUs, perhaps no one can deny Microchip's (the maker of the PIC line of MCUs) wealth of documentation and application notes [1] which could serve as additional material to refer to for some pretty handy tips and guides.
[1] www.microchip.com/applicationnotes/