Blessed Book: 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 25 gp per page material cost. This book is never found as randomly generated treasure with spells already inscribed in it.
Moderate transmutation; CL 7th; Craft Wondrous Item, secret page; Price 12,500 gp;Weight 1 lb.
Grog said:This may have been asked before, but did 3.5 clear up the question of whether or not Boccob's Blessed Book reduces scribing costs and/or time?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.