Elvira is drafted into planning the annual Monsters’ Ball — but her selfless efforts are hampered by the zealot Captain Creature, enemy of all monsters, in “Party Monster!” by Strom, Sutton, and Anderson. Also, Elvira’s new cell phone has a spirit all its own, in “Ring-A-Ding Zing!” by Hetherington, Barreto, and Manley! Photo cover.