Bookworm (CR 1/4)

Fine Vermin
Alignment: Always neutral
Initiative: +0; Senses: scent paper

AC: 18 (+8 size), touch 18, flat-footed 18
Hit Dice: 1/2d8 (2 hp)
Fort +2, Ref +0, Will +0
Speed: 20 ft., burrow 10 ft.
Space: .5 ft./0 ft.
Base Attack -; Grapple -
Damage: -
Special Attacks/Actions: Burrow through paper
Abilities: Str 1, Dex 11, Con 11, Int -, Wis 10, Cha 2
Special Qualities: Vermin, chameleon
Feats: -
Skills: -
Advancement: 1-2 HD (Fine)
Climate/Terrain: Any land and underground
Organization: Swarm (1d4+10)
Treasure: None

Source: Converted

This small worm, only one inch long, is greatly feared by mages because it is attracted to paper in all forms. Bookworms inhabit libraries, eating through the pages and bindings found there. They cannot eat living matter, but they will burrow through dead wood, leather, and other normal book materials at a surprising rate. They are very fast and seek to avoid capture and combat when discovered. Normally a dull gray color, a bookworm's chameleon-like abilities enable it to instinctively blend into any background.

When an adventurer is careless enough to encounter a new brood of bookworm larvae, he can inflict incredible damage by carrying them unwittingly with him to other places. A handful of larvae hiding in a backpack traveling down a city street can find new homes readily, destroying the libraries of sages, temples, wizards, and governments in the process.