This collection of eExcursions into modern mathematics consists of four independent parts, each consisting of four chapters: 1) Social Choice, 2) Management Science, 3) Growth and Symmetry, and 4) Statistics. Written in an informal, readable style, its pedagogical features make material both interesting and clear. Internet eExcursions in each chapter guide readers to additional problem material linked to the website. Accessibility of topics offers readers a comfortable mathematical infrastructure that makes material interesting and challenging. Applicability of topics connects readers to the mathematics presented and the real-life problems that motivate it. Currency of topics provides material dated within the last 50 years, and some--fractals, for instance--within the last 15 years. Aesthetics of topics combines elegance of mathematics with its simplicity, helping readers develop an appreciation for mathematics. For educators in area of mathematics.