This small book is bound in hammered silver and engraved with the continents of the world.

A tome of worldly memory allows you to call upon the secret memories of the world to aid you in unlocking forgotten knowledge. By studying the book for 1 minute, you gain a +5 competence bonus on a single Knowledge check.
The tome functions three times per day.
If you have at least 5 ranks in the Knowledge skill in question, you need only peruse the book as a standard action to gain its benefit.

Prerequisites: Craft Wondrous Item, fox’s cunning.
Cost to Create: 500 gp (plus 500 gp for base item), 40 XP, 1 day.