Mariana Costa is a Brazilian-born author and illustrator now based in Portugal. A professional illustrator, she has sold several graphic novels in the US.
""Shoestring Theory gripped me by the heart and didn’t let me go."" ""Shoestring Theory has a classic RPG feel woven into its diverse and queernorm world, and at its heart is a resounding message of found family and self-love. Come for the twists, but stay for Cyril."" ""Costa has crafted a heartfelt story about second chances, never giving up on the people we love, and one very good cat.""