<p><b>An engrossing look at the history and importance of a centuries-old but still unanswered math problem</b><br><br>For centuries, mathematicians the world over have tried, and failed, to solve the zeta-3 problem. Math genius Leonhard Euler attempted it in the 1700s and came up short. The straightforward puzzle considers if there exists a simple symbolic formula for the following: 1+(1/2)^3+(1/3)^3+(1/4)^3+. . . . But why is this issue¿the sum of the reciprocals of the positive integers cubed¿so important? With <i>In Pursuit of Zeta-3</i>, popular math writer Paul Nahin investigates the history and significance of this mathematical conundrum.<br><br>Drawing on detailed examples, historical anecdotes, and even occasionally poetry, Nahin sheds light on the richness of the nature of zeta-3. He shows its intimate connections to the Riemann hypothesis, another mathematical mystery that has stumped mathematicians for nearly two centuries. He looks at its links with Euler¿s achievements an