Unused! Maybe one or two pages of a pencil note but activities are unused and this set is ready to go. It includes the books pictured which is not including the entire level 4 The Michael Clay Thomson Level 4 Royal Press Curriculum is a textbook published by Royal Fireworks Press, authored by Michael Clay Thomson. This textbook focuses on Language Arts and is designed for general education purposes. With a focus on language arts, students can expect to explore various aspects of language and communication in a comprehensive and engaging manner.