Forum:Final inzektion vs book of moon

i have two inzectors on the field and three are in the spell and trap zone. i then final inzektion to send all five to the graveyard, however my opponent chains it with book of moon to flip one monster face down, Is that even possible?

five inzectors on my side of the field Final inzektion opponent chains book of moon to flip one of my inzectors face down Is it possible?