<div> <P style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none" class=MsoNormal>Donald E. Knuth's influence in computer science ranges from the invention of methods for translating and defining programming languages to the creation of the TeX and METAFONT systems for desktop publishing. His award-winning textbooks have become classics that are often given credit for shaping the field, and his scientific papers are widely referenced and stand as milestones of development over a wide variety of topics. The present volume is the eighth in a series of his collected papers.</P></DIV>