For TIME’s Feb. 26 cover package on how to live a longer, fuller life, we created an actual puzzle: a maze on the magazine’s cover. Inside the issue, you’ll discover some of the many healthy-aging secrets that are tucked inside the double issue—from the benefits of religion, to a new treatment attempting to finally address one of the most painful aspects of aging, to the best reason yet to live in a noisy, crowded city. The maze on the cover was created by Post Typography, a creative design agency in Baltimore and New York.