The excerpt lessons from play; lessons from life written by henry petroski effectively uses organizational techniques to successfully link the text into a coherent whole. Organizational techniques such as cause and effect and problem and solution assist in delivering the author"s purpose, as well as shaping the author"s intended audience. Petroski is an american engineering professor who takes the concept of failure is the key to success" and creatively applies it to an engineer"s perspective. His book, from where the excerpt was taken, to engineer is human: the role of failure in successful design" raises the concept that past failures in engineering design provide an opportunity for future growth, innovation, and success. His book, unlike most on engineering, is intended for a general audience since it teaches an important lesson not only in engineering but in life as well. The goal of this paper is to successfully identify how the text"s organization shapes its purpose and audience.