(W) Various, Mark Waid (A/CA) Bryan Hitch, Various. In a new collection reprinting JLA #55-60 and featuring the World's Greatest Heroes* we discover that some of the JLA's deadliest foes - the White Martians - have returned with a plan to systematically destroy each one of our heroes and disable the Earth's ability to create their one weakness: fire! Plus* THE JOKER: LAST LAUGH crossover issue that featured a "Jokerized" version of Doctor Polaris wreaking havoc on Earth's magnetic poles* and a classic Christmas tale titled "'Twas' the Fight Before Christmas.