This document consists of nine issues of the National LOGO Exchange Newsletter (NLX). Each issue contains several articles as well as regular features and departments. The lead articles in this volume are entitled: (1) "Twenty Powerful Ideas" (Molly Watt); (2) "Multiple Turtles without Sprites" (James Hurley); (3)…

This document consists of 27 issues of the National LOGO Exchange Newsletter (NLX) together with cumulative indexes which provide five access points to information in the newsletters: (1) an author index; (2) a book review index; (3) a product and information index; (4) a column index; and (5) a subject index. The alphabetical author index lists…