Dragon Age Origins Tome Locations

In Abandoned Thaig, the entrance (referred to as "Recently Opened Passage") reaches the west end of Sundermount, in a corner left associated with north-western exit, accessible only in Act II. The tome is situated in the main area of thaig beside the Nexus Golem (for the fight inside room, see "strategy" area in Abandoned Thaig page).

A cave at east end of this Bone Pit (outside the my own). Inside location is called "Cave"

a cave in the northern center areas of The Wounded Coast. It should be called "The Dank Cave" and is not marked on the chart. Note that this cave is inaccessible later in online game.

Within the Chantry, on a table from southern stairs, second-floor.

Inside Viscount's Keep, east component on a table near the throne.

And you are required to get a hold of a sixth tome:

Browse guide: you only get these impacts the 1st time you select these option

Simply take guide:

I think reading or using any of the very first five will prevent you from locating the last one (therefore from completing the pursuit), so you may need to save your self the accept or take options until the book into the Forgotten Lair because you is only able to obtain the "positive" results once.