The third volume of Amagi Brilliant Park (甘城ブリリアントパーク?) was released on January 18, 2014.
Publisher's Summary
High school girls go despair debut failed amusement park in the city of vertebral dish intended to thoroughly enjoy campus life, the result is counterproductive. She was among the dead end, and finally in the glorious city Gan inaugeration of the amusement park. Vertebral dish in the end can not live a life of it ... Rosy.