"The Elements of Style" is a writing guide authored by William Strunk Jr. and E.B. White. First published in 1918, it emphasizes clarity, brevity, and the importance of proper grammar. The book provides essential rules for writing effectively, making it a staple for students, writers, and educators. The guide is structured around key principles, including the use of active voice, the avoidance of unnecessary words, and the importance of correct punctuation. Its straightforward advice has made it a classic reference for anyone looking to improve their writing skills and communicate more clearly.