A few months ago I stumbled across a book in the Fioa archive on the nsa.gov website that I have since found useful.
As stated in blog title, the book is called "Untangling the web", and it is full of useful information. The book was written or published in 2007, so some of the information is dated but it is full of relevant resources and tricks to maximize search engines, search lesser known archives and how to gain access to articles that are normally blocked behind a pay wall.
I know that this community has many people that could publish a book with more detailed and more effective use of internet searching techniques and many other things, but I figured I might not be the only person who could use a well-written resource book.
Since it is a fioa book it is entirely free.
Happy searching,
AZ