Any thoughts in 2015 on this? We're having a bit of a flour weevil/gnat issue due to half-assed undersink repairs by the apartment complex and it is becoming necessary. If it was JUST for these, I'd completely take my books out, but we're seeing some very minor silverfish issues in the bathroom, which IS potentially an issue, though there is no evidence of them in the bookcases. So, what's the greater evil, the possibility of silverfish and other nasties slowly eating bindings and pages, or the very rare use of the bug bombs.

Our thought is to get the apartment repairs done correctly first where the weevils are breeding at, then to get a full bug bomb WITH the book cases open, of course making sure that none of the bombs are close enough to be putting excessive residue there.