Lethtendris

Item	Chance	Quantity
Lethtendris's Web Quest item	100%
Runecloth	≈ 23%	2–4
Dried King Bolete	≈ 8%	2–4
Libram of Focus	≈ 2%
Libram of Rapidity	≈ 2%
Codex of Defense	≈ 0.42%
Frost Shock and You	≈ 0.42%
Garona: A Study on Stealth and Treachery	≈ 0.42%
Harnessing Shadows	≈ 0.42%
Holy Bologna: What the Light Won't Tell You	≈ 0.42%
The Arcanist's Cookbook	≈ 0.42%
The Emerald Dream	≈ 0.42%
The Greatest Race of Hunters	≈ 0.42%
The Light and How to Swing It	≈ 0.42%
Nostro's Compendium of Dragon Slaying	≈ 0.2%

Drops and chances are estimates; not all have been confirmed in the current game.