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