To replace the books you accidently use

It's so annoying when you lose concentration and then use accidentally use your instant build book on something that has 2 hours left, where as I wanted to use it for something that has 4 days left. So it would be good if the support team can replace it for you, but they can only replace it once or twice.

I'm surprised they will replace it at all TBH.

It is down to you to be at least moderately careful how you use the books.

I've never used one wrongly yet across my 5 accounts.

So SC is now liable for your mistaken use of magic items? Wow that's a new level of low