

The Orbit themes are woven throughout each issue to encourage learning:
- Volume One: Why Art and Writing Are Important
- Volume Two: Peace in Our Lives
- Volume Three: Journey to the Center of the Imagination
- Volume Four: How to Make Words Work for You
- Volume Five: The Machinery of Mindwork
- Volume Six: The Heroic Imagination
- Volume Seven: You are a Detective
- Volume Eight: The Wonders of Time
- Volume Nine: The Power to Dream
- Volume Ten: The Power of Ideas
- Volume Eleven: Your Powers of Observation
- Volume Twelve: Reading, Writing, and Mystery Solving
- Volume Thirteen: The Words of Discovery
- Volume Fourteen: The Adventure of Reading
- Volume Fifteen: With the Wings of Words
- Volume Sixteen: When I Read a Book...
- Volume Seventeen: The Journey of Learning
- Volume Eighteen: The Treasure of Words
- Volume Nineteen: The Mind's Eye
- Volume Twenty: Vision of the Heart
- Volume Twenty-One: The World of Knowledge
- Volume Twenty-Two: A Time for Knowledge