Signs & Seasons also includes an extensive Glossary, a Biographia of Quoted Authors, and Astronomical Tables to assist the reader in finding the constellations and planets. Read Signs & Seasons and rediscover your forgotten astronomical heritage!

Signs & Seasons is a book on astronomy from a totally Christian perspective (the truth), and our family is so impressed with it. Why? Because we’re learning! And we’re on the edge of our chair doing so. Jay Ryan quotes ancient sources throughout the entire manuscript, tying in centuries of knowledge and understanding. Signs & Seasons ties in Biblical explanations and sends packing the old-time superstitions. We both love and use this book in our own homeschool with our children. Our kids are getting the best possible astronomy class with Signs & Seasons (and all of the included graphics). But something else just as wonderful has happened as a result: we as the parents are finally learning about this little-studied science on a deeper level for the first time. Don’t skip astronomy, and don’t just gloss over it, either. Avoid the dumbed-down curriculums. Signs & Seasons delivers. Highly recommended by:

- Paul & Gena Suarez, Publishers, The Old Schoolhouse Magazine

Signs & Seasons presents clear explanations in a captivating writing style that is peppered with interesting and little-known facts, as well as activities that make it all very concrete and applicable. I’ve never seen a better explanation of the spatial and geometric relationships of the earth and the heavenlies. This course is perfect for any middle school or above student ready for the next step in understanding astronomy. They are sure to become wiser as they discover the lost skills that served as the foundational learning of the early scientists from Ancient Greece to the Colonial era. I highly recommend this book as a follow-up to my Astronomy course, and one that will take the student further with their studies, giving them a near perfect understanding of the expanse of the heavens and God’s purpose for astronomy.

- Jeannie Fulbright, author of Apologia’s Elementary Science Curriculum

Using strategically placed and innovative illustrations - two or more on nearly every page - abundant quotes from numerous ancient sources (including the Bible), and friendly text, Jay Ryan has taken a very different approach to the study of astronomy from what most of us were taught in school. Signs & Seasons is a systematic and classical approach to astronomy, with a Biblical foundation stone. Children will learn to love studying the night sky, and adults will appreciate being able to finally make sense of astronomy. This "first book of classical astronomy" curriculum includes instructions for creating a field notebook and conducting field observations, plus much more.

- Harvey and Laurie Bluedorn, authors of Teaching the Trivium:
Christian Homeschooling in a Classical Style

Author Jay Ryan presents a crystal-clear understanding of the night sky. The excellent, extensive graphics raise the bar for other astronomy books. The unique balance between modern and historical observations may well ignite a lifelong interest in stargazing.

- Donald B. DeYoung, author of Astronomy and the Bible,
President of the Creation Research Society