chapter 1. Introduction to endohedral metallofullerenes / Xing Lu -- chapter 2. Preparation and purification of endohedral metallofullerenes / Steven Stevenson -- chapter 3. Computational studies of endohedral metallofullerenes / Alexey A. Popov -- chapter 4. NMR spectroscopic and x-ray crystallographic characterization of endohedral metallofullerenes / Wenjun Zhang, Muqing Chen, Lipiao Bao, Michio Yamada, Xing Lu, Marilyn M. Olmstead, Kamran B. Ghiassi, and Alan L. Balch -- chapter 5. Intrinsic properties of endohedral metallofullerenes / Song Wang, Taishan Wang, Tao Wei, Chunru Wang, and Shangfeng Yang -- chapter 6. Chemistry of conventional endohedral metallofullerenes and cluster endohedral fullerenes / Muqing Chen, Xing Lu, Maira R. Ceron, Marta Izquierdo, and Luis Echegoyen -- chapter 7. Oxidative charge transfer of EMFs, biomedical applications of EMFs, and EMF-based nanomaterials and molecular materials / Marcus Lederer, Marc Rudolf, Maximilian Wolf, Dirk M. Guldi, Shasha Zhao, Xing Lu, and Lai Feng -- chapter 8. Concluding remarks and perspectives / Xing Lu.