Forgot to post this a couple weeks ago. DERP

Tome of The Eye:
This mystic book is of great value to illusionist and mages of good alignment (LG, NG, CG). Study of the work requires one week. Upon completion, the caster gains a +1 inherent bonus to their Intelligence and experience points sufficient to place him or her halfway into the next level of experience. Except as indicated above, the writing in the Tome of the Eye can’t be distinguished from any other book until perused. Once read, the book vanishes, never to be seen again, nor can the same character ever benefit from reading a similar tome a second time.