The FRONT COVER of issue number 30 of volume 9 refers to the recently published article “Photoinduced electron transfer in mechanically interlocked suit[3]ane systems”. The work has been carried out by De. Anton J. Stasyuk, Dr. Olga A. Stasyuk, Prof. Miquel Solà, and Prof. Alexander Voityuk, all members of the DiMoCat group of the Institute of Computational Chemistry and Catalysis of the University of Girona. The cover is the result of the artistic inspiration of Dr. Olga A. Stasyuk. The paper can be read in the following link: