After 12+ years on Broadway, Mamma Mia! remains one of the Great White Way's biggest attractions. Save over 30% on tickets through August 31, 2013: Visit www.broadwayoffers.com or call 212-947-8844 and use code MMPROM13. You can also print out this coupon and bring it to the Winter Garden Theatre office at Broadway & 50th St. near Times Square. Click here for full details.