Blessed Book (12,500 gp)

The material below is Open Game Content from a 3PP Source

Blessed Book
Aura moderate transmutation; CL 7th
Slot none; Price 12,500 gp; Weight 1 lb.
DESCRIPTION
This well-made tome is always of small size, typically no more than 12 inches tall, 8 inches wide, and 1 inch thick. All such books are durable, waterproof, bound with iron overlaid with silver, and locked.
A wizard can fill the 1,000 pages of a blessed book with spells without paying the material cost. This book is never found as randomly generated treasure with spells already inscribed in it.
CONSTRUCTION
Requirements Craft Wondrous Item, secret page; Cost 6,250 gp