The Versa Tiles Starter Math Level 6 8 Books Teacher Guide Homeschool ETA Cuisenaire is a comprehensive workbook set designed for high school and elementary school students studying algebra and applied mathematics. Authored by the Eta Hand2mind Staff, this book series includes 8 books and a teacher guide, providing a structured learning experience for homeschooling students. With a focus on advanced and intermediate levels, this publication offers a detailed approach to math concepts, making it an essential resource for students looking to enhance their math skills.