Made up of the Worlds Greatest Super Heroes, the Justice League takes on threats too titanic for one single super being. Spend your year with the Big Seven: Superman, Batman, Wonder Woman, Green Lantern, Flash, Aquaman, and Cyborg. Your 2018 (plus with last four months of 2017) should be safe with them. These heroes are all still human at heart, though, and need space to write in their important engagements. Good thing the 2018 Justice League Calendar, printed on paper certified by the Forest Stewardship Council, has plenty of it at their, and your, disposal.