Lively and engaging articles from the lecturers and the participants of the 17th Gokova Geometry-Topology Conference, held on the shores of Gokova Bay, Turkey, in May of 2010. This volume contains Borgeois' notes from his mini-course on contact homology, and an expository article on the solution of the celebrated Arf-Kerviere invariant problem by Hill, Hopkins, and Ravenel, as well as some new research articles.