Unless you are using this course with someone else and they have the Answer Key and Tests manual you may want to order the set not just the textbook,
Discovering Design with Earth Science Textbook
Discovering Design with Chemistry Berean Builders Chemistry Textbook
Design discovery. Can't go forward without knowing what your users want
Exploring Design Thinking
Discovering Design: Meet Sophistiplate - International Housewares Association
Exploring the future of learning design using speculative methods
Secrets of a Homeschool Science Nerd - Hifalutin Homeschooler
Unlock Your Design Potential with These 5 Must-Read Books, by Dominik Lyko
Discovering Abstract Art: What You Need to Know — Lily Okamoto Art Portfolio, Original Artwork, and Interior Design Consultation
The organization's design research maturity model, by Chris Avore
Berean Builders Discovering Design with Earth Science Textbook