This text investigates the fundamental principles required to construct clear, grammatically correct, and effective sentences in academic and professional writing. William J. Kelly provides a structured approach to syntax and mechanics, drawing upon standard linguistic conventions to help writers identify and rectify common errors. The book functions as a practical manual for students and professionals seeking to refine their command of English sentence structure through systematic practice and rule application.

The subject matter points to a pedagogical, instructional text designed for classroom use or individual skill reinforcement. The framing suggests a focus on foundational mechanics, prioritizing clarity and adherence to standard English conventions over stylistic experimentation.