Shalidor's Insights (book)

Found
Depending on the cave to which you are sent, the book could be in any of the following:
 * The Katariah, after completing Hail Sithis!
 * In a chest in Movarth's Lair.
 * Rebel's Cairn
 * Snow Veil Sanctum, after completing "Speaking With Silence"
 * Ysgramor's Tomb, after completing "Glory of the Dead"

Quests

 * Shalidor's Insights

Content
Shalidors Erkenntnisse (Buch)