“Spelling Plus: 1000 Words Toward Spelling Success” is a textbook published by the Instructional Resources Company in 1999. Written by Susan C. Anthony, this book focuses on vocabulary and is aimed at middle school and elementary school students. It is divided into beginner, intermediate, and advanced levels, making it suitable for students with varying proficiency in spelling. With 170 pages, this textbook provides a comprehensive resource for improving spelling skills in English language.