The front cover story, Structure determination of modulated structures by powder X-ray diffraction and electron diffraction is contributed by Zhengyang Zhou, Lukáš 
The inside cover this month features an article on Fluorescence tuning of Zn(II)-based metallo-supramolecular coordination polymers and their application for picric acid detection by Hong-Qing Li, Zhong-Yu Ding, Yao Pan, Chun-Hua Liu and Yuan-Yuan Zhu.
