Larian Studios Forums Divinity 2 - Ego Draconis (English) Help/Tips/Tricks sentinel islan candle quest

i have cleared all island and stuck at quest with 3 candles i have red that need book to take from pedistal to read at candle area .. queastion is were is that book or were is that pedital with book because book should be quest item as i assume to be right for this quest.. anyone help plz