The review article about nanoparticles@MOF is published online in the themed issue in Coord. Chem. Rev. This article is written by the world-wide groups working in MOF fabrications; Dr. Paolo Falcaro (CSIRO), Prof. Christian Doonan (Adelaide), Prof. Rob Ameloot (Leuven), Prof. Daniel Maspoch (Barcelona) and Prof. Shuhei Furukawa (Kyoto). Always glad to work with friends! Congratulations!