The Little Book of Absolute Power was the posthumously-published collection of selected notes and writings created by Chatelaine Thessalia during her investigations of the future War in Heaven. Topics included the Eremites, the Order of the Weal, House Paradox, and Thessalia's War predictions. (PROSE: The Book of the War)
In her role as Thessalia's mnemonic, Larissa was nicknamed "little book". (PROSE: Newtons Sleep)