Books in the City of Monsters series

'Yo, creepy two-leggers. I'm Bruce, the giant spiderkilling machine and comedian for hire. Hear my words and vibrate with terror. Dragons are doomed! Magic ditto!! The City of Monsters is CARKING!!!' 'But all ain't lost. My Dead Gang buds can save the world's vibrating butt. That is, if we can survive: a brainwashed grommet king, a webbing SNAKE GOD and MY SCARY-ASS MAMA and CANNIBAL BRIDE!!!'