You focus your powers of observation on a death's head spellbook:
Item 'a death's head spellbook' is type spellbook, alignment -1000, made of wood (in (new) condition),
has keywords 'head deaths spellbook black oak'.
This item weighs 0 stones and 75 pebbles, and is valued at 130,800 gold.
This level 241 item has the attributes: identified nodecay magic-resistant unique no-repair bind-on-wear
This item has a default lifespan of 365 days and will expire on Thu Sep 28 15:01:37 2017.
Contains the spells: animate dead, cause critical, cause light, cause serious, chill touch, disjunction, delay reincarnation, energy drain, enervation, fatigue, famine, harm, hinder, immobilize, impede movement, kill, leech, malediction, malignancy, plague, reanimate, slow, shadow armor
A total of 23/14 spells and 1139/575 complexity points.
Relics:  * a shard of bone from a priest of Maradas [Vanishes Tue Dec 27 15:38:59 2016]
Affects accuracy by 6.
Affects stamina by 70.
When evoking earth evocation, grants a 8.00% chance to apply an additional -wood-prcnt affect.
         (1/2 slot occupied)
Alters knowledge of 'cause critical' by 3%.
Alters knowledge of 'cause light' by 3%.
Alters knowledge of 'disjunction' by 3%.
Alters knowledge of 'delay reincarnation' by 3%.
Alters knowledge of 'energy drain' by 3%.
Alters knowledge of 'fatigue' by 3%.
Alters knowledge of 'famine' by 3%.
Alters knowledge of 'harm' by 3%.
Alters knowledge of 'hinder' by 3%.
Alters knowledge of 'immobilize' by 3%.
Alters knowledge of 'impede movement' by 3%.
Alters knowledge of 'kill' by 3%.
Alters knowledge of 'malediction' by 3%.
Alters knowledge of 'malignancy' by 3%.
Alters knowledge of 'plague' by 3%.
Alters knowledge of 'reanimate' by 3%.
Alters knowledge of 'slow' by 3%.
Alters knowledge of 'shadow armor' by 3%.
When casting energy orb, increases the duration by 0.71.
*Your in-pk-clan-or-duelist must be equal to True to use this item. (Enforced)
*You must not be wearing 'a hobgoblin's book of wizardry' to use this item. (Enforced)
*This item may be repaired 4 times.
*This item is bound to Ramsay.
+++ a death's head spellbook has a chance, in combat, to deal to its
bearer's opponent necromantic damage directly correllated to the knowledge
above 75% that its bearer has in necromancy-school spells, at a rate of 66%
per combat round, at a cost of 50st per combat round.