Expect table variation
The core rulebook was kinda silent on it
Jason Bulmahn had a post saying that there was a masterwork tool for every skill.
Mike brock said there was one for every skill but use responsibly...Linky
Ultimate equipment shot it back into "Damned if i know"
Ultimate equipment:
Some skills have no appropriate tool or masterwork tool—
no nonmagical item exists that grants a bonus for all uses
of that skill. For example, just because a certain perfume is
favored by local nobles (granting a +2 circumstance bonus
on Diplomacy checks to influence them) doesn’t mean that
perfume has the same effect on a member of the thieves’
guild, a foreign berserker, or a medusa. Likewise, just because
a fake beard woven by dwarves out of the beards of famous
dwarves may grant a +2 circumstance bonus on Use Magic
Device checks to emulate the dwarven race doesn’t mean the
beard has any effect on using that skill to activate elven items
or paladin items, or to decipher a written spell
no nonmagical item exists that grants a bonus for all uses
of that skill. For example, just because a certain perfume is
favored by local nobles (granting a +2 circumstance bonus
on Diplomacy checks to influence them) doesn’t mean that
perfume has the same effect on a member of the thieves’
guild, a foreign berserker, or a medusa. Likewise, just because
a fake beard woven by dwarves out of the beards of famous
dwarves may grant a +2 circumstance bonus on Use Magic
Device checks to emulate the dwarven race doesn’t mean the
beard has any effect on using that skill to activate elven items
or paladin items, or to decipher a written spell
Between using charges and limiting circumstances masterwork tools are a little too much like custom items for any particular mw tool for some dms.
OH! For a book you're in luck.
Pathfinder chronicle But if you wanted to call it a big book of Arcane lore that worked the same way that should be ok.
