This compelling anthology brings together a variety of intriguing perspectives from Bertrand Russell. In Mathematics and the Metaphysicians, Russell reflects on the transformative impact of the 1900 World Congress of Philosophers and his aspiration that innovative mathematical approaches could unravel age-old philosophical dilemmas. The ensuing essays trace the evolution of this vision as Russell delves into the foundations of mathematics, exploring how new methodologies could reconstruct our understanding of physical objects through sense-data and redefine concepts like matter and causation. (Landon D. C. Elkind)