Embark on a mathematical journey with ‘Yaglom-Challenging Mathematical Problems,’ a two-volume set from The Bookish Owl designed for advanced students, educators, and math enthusiasts. This collection features 174 carefully selected problems, ranging from elementary to exceptionally difficult, drawn from diverse areas of mathematics including probability theory, combinatorial analysis, topology, and number theory. Originally from a renowned Russian work, these problems offer a unique opportunity to explore new mathematical facts, ideas, and methods, often solvable with a solid high school math foundation. Perfect for self-study, classroom use, or math clubs, this comprehensive resource will sharpen your problem-solving skills and deepen your understanding of mathematical concepts.