The cover of a scientific book titled 'Handbook on the Physics and Chemistry of Rare Earths' with a red and grey color scheme. The book is part of a series edited by K.A. Gschneidner Jr., J.-C. G. B\xc3\xbcnzli, and V.K. Pecharsky. The cover features a circular design with concentric circles and a red border around the title.