WRITTEN BY CHUCK DIXON; ART BY TREVOR MCCARTHY AND ROB LEIGH; COVER BY MCCARTHY AND KARL KESEL. A DC FULL COVERAGE! entry-point issue! "On a Christmas Evening," Nightwing faces a phony filching Santa, gun-toting gangbangers and a heart-wrenching letter from an innocent child. FC, 32 PG. $2.25 Cover price $2.25.