I'm trying to find a book I read back in 3rd or 4nd grade

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I'm trying to find a book I read back in 3rd or 4nd grade that I can't for the life of me remember. The only details I can vaguely remember are the title had street (or road or lane), The cover was of a dark city, I believe a doorway that lead to a different realm, and that that real was shrouded in mist created by dog or seal like creatures called mist makers. Again my memory of it is very vague and some of what I said may be off, but does it ring a bell to anyone?

Picture unrelated but it reminded me of it