When there is uncertainty in the capital markets, it is advisable to stick to tried-and-true paths. Gold, silver, and platinum are well-known investment metals, but there are also other promising options. Mikael Henrik von Nauckhoff, author of the successful book "Safe with Investment Metals," is venturing into a market that has long been overlooked: strategic and rare earth metals. They already hold an essential position in the industry and offer savvy investors huge opportunities. Their importance for communication devices like smartphones and the increasingly interconnected devices in households is steadily growing in the age of Industry 4.0. This book reveals which metals are the best investments for investors.