"Strunk and White" refers to the book "The Elements of Style," written by William Strunk Jr. and later revised by E.B. White. First published in 1918, it serves as a guide to writing clear and concise English. The book emphasizes the importance of proper grammar, style, and composition, making it a staple for students and writers alike. The book is known for its straightforward rules and principles, which help improve writing skills. Its enduring popularity has made it a classic reference in the field of writing and has influenced countless authors, educators, and students over the decades.