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 100 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.
Boccob’s blessed book allows a wizard to fill its 1,000 pages with spells without paying the 25 gp per page material cost.The PH (page 179), however, says materials for writing the spell (special quills, inks, and other supplies) cost 100 gp per page. Which number is correct? Does it cost 25 gp or 100 gp per page to write a spell into a spellbook? Does Boccob’s blessed book merely subtract 25 gp from the 100 gp per page cost? Also, can a wizard write a spell from any source she could otherwise copy? For example, suppose a wizard finds an arcane scroll with a spell that’s on the wizard class list. Can the wizard copy that spell into a Boccob’s blessed book? Could the wizard do the same thing with a wizard spell from another wizard’s spellbook? Or is Boccob’s blessed book only intended as a cheap way to back up spells from one’s own spellbook? How long does it take to copy a spell into the book? Do you have to make any skill checks to copy the spell?
The cost to write a spell into a spellbook is 100 gp per page (for materials) as noted in the PH. Note that with the arrival of D&D 3.5, this cost is half what it used to be, because spells now require only one page per spell level (minimum one page), rather than two pages per spell level.
You can put any spell into a Boccob’s blessed book that you normally could put in your regular spellbook. When you do so, you don’t have to pay the 100 gp per page for materials.
You still have to pay the cost for acquiring the spell (if any).
For example you might buy a scroll to copy into the book, or you might borrow a spellbook from another wizard. When you obtain a scroll for the purposes of expanding your own spellbook, you pay the usual market price for the scroll, as noted in Chapter 7 of the DMG. If you borrow someone else’s
book, the usual price for each spell you copy is 50 gp per spell level. Also, you can research a new spell, see Chapter 2 in the DMG. Writing a spell into a Boccob’s blessed book takes the same amount of time as writing it into a regular spellbook (24 hours), and the task requires the same Spellcraft check (DC 15 + spell level) you need to copy the spell into a regular spellbook (see page 179 in the PH).