All new users, sorry.
The new Spells-page included a little bug for the navigation.
When new users created a spellbook or when none was active, the navigation got a bit scared and ran away.. This made all the books sympathise with the navigation and dedicated to roll a natural twenty on a hide-roll.
Im sorry to say I don't have the time to fix the issue right now, but the books are back in the game (or navigation). But, you do need an account and a active spellbook to be able to see and use the "Spells light" page. All Guests out there, I hope you will come back again in 24 hours or so when things should be worked out.