1. What is quantitative graph theory? / Matthias Dehmer, Veronika Kraus, Frank Emmert-Streib, and Stefan Pickl -- 2. Localization of graph topological indices via majorization technique / Monica Bianchi, Alessandra Cornaro, Jose Luis Palacios, and Anna Torriero -- 3. Wiener index of hexagonal chains with segments of equal length / Andrey A. Dobrynin -- 4. Metric-extremal graphs / Ivan Gutman and Boris Furtula -- 5. Quantitative methods for nowhere-zero flows and edge colorings / Martin Kochol -- 6. Width-measures for directed graphs and algorithmic applications / Stephan Kreutzer and Sebastian Ordyniak -- 7. Betweenness centrality in graphs / Silvia Gago, Jana Coronicova Hurajova, and Tomas Madaras -- 8. On a variant Szeged and PI indices of Thorn graphs / Mojgan Mogharrab and Reza Sharafdini -- 9. Wiener index of line graphs / Martin Knor and Riste Skrekovski -- 10. Single-graph support measures / Toon Calders, Jan Ramon, and Dries Van Dyck -- 11. Network sampling algorithms and applications / Michael Drew LaMar and Rex K. Kincaid -- 12. Discrimination of image textures using graph indices / Martin Welk -- 13. Network analysis applied to the political networks of Mexico / Philip A. Sinclair -- 14. Social network centrality, movement identification, and the participation of individuals in a social movement : the case of the Canadian environmental movement / David B. Tindall, Joanna L. Robinson, and Mark C.J. Stoddart -- 15. Graph kernels in chemoinformatics / Benoit Gauzere, Luc Brun, and Didier Villemin -- 16. Chemical compound complexity in biological pathways / Atsuko Yamaguchi and Kiyoko F. Aoki-Kinoshita.