QUESTION: CIA in Nicaragua

This site makes reference to a "CIA Sabotage Manual": click here. The manual was supposed to have been created and distributed during the 1980s. I'd like to find out if the document is real or fictitious. If real, I'd like to read up on its history and use. Also, I'd like to find any other illustrated "manuals" of this sort (used for political purpose, i.e., propaganda) that might exist.

The manual