Spelling According to the Illinois State Curriculum is a study guide developed from the Illinois curriculum based on the research of author Kevins Elmer Warren. The book examines in detail the rules of English spelling, as well as methods and ways of studying them for schoolchildren and teachers. In addition to theoretical explanations, the author offers practical tasks and exercises aimed at improving spelling skills. The book contains many examples, illustrations, and exercises to help readers understand and remember spelling rules, increase vocabulary, and improve writing skills. Spelling according to the Illinois State Curriculum is not only a useful addition to the school curriculum, but also an indispensable source of knowledge and practical advice for anyone who wants to learn English or improve their speaking competence.