If you have questions related to P2P that are not addressed on the book, ask at the Q&A
A printable version
of The World of Peer-to-Peer (P2P) Wikibook is available.
A single page version (edit)
with all chapters is available (attention to its size).
You can use WikiType an online application which converts the Wikibooks into formatted PDF.
Use the link for the single page version version of the work.