Energion Direct includes links to other retailers, including to our own store on Aer.io. This page shows all of our books for purchase directly. You can check the category list any time for “Direct from Energion,” or look for the “Add to Cart” button. On pages that link to other retailers, the button will read “Go to retailer.”

The top 18 products are below. To see all available direct products, go to Direct from Energion.