This curriculum guide presents lessons in the use of the LOGO programing language for students at all grade levels. The first section contains 19 lessons for the early childhood level, covering topics such as how computers work, directionality and moving the turtle, and creating designs. The 76 lessons for grades K-6 that are described in the next section cover such topics as the history and uses of computers, keyboarding, following directions, moving the turtle, LOGO commands, editing in LOGO, creating designs, and creating and moving sprites. The third section presents 70 lessons for grades 7-12 on topics such as applications of computers, word processing, LOGO commands, recursive programming, using variables, creating designs, LOGO programs, writing with LOGO, LOGO sounds and music, random procedures, and function machines. Performance objectives, vocabulary, motivation, aim, development, application, summary, and exercises are included for most lessons. The appendixes include a discussion of computers and special education students; and a glossary of computer terms. (MES)