The “Comprehensive Curriculum of Basic Skills, Grade 4” is a trade paperback workbook published by Carson-Dellosa Publishing, LLC in 2001. It is part of the “Comprehensive Curriculum Ser.” and covers subjects such as language arts, mathematics, and general school skills. The book, authored by Vincent Douglas and various other staff members, contains 544 pages of educational content suitable for high school and elementary school students. With a focus on juvenile nonfiction, this textbook provides a comprehensive and informative resource for students looking to enhance their basic skills in various subjects.