I enthusiastically invite you to contribute to a Special Issue of the open-access journal Polymers focusing on Host-Guest Polymer Complexes which I and two of my former PhD students Drs. Alper Gurarslan and Ganesh Narayanan are editing. We hope to include papers describing the syntheses characterization and use of host-guest polymer complexes as well as factors that are important to their formation. Submissions that describe unusual and unique applications of host-guest polymer complexes using h