- eBookWork Out Pig OutChad V. Holtkamp
- eBookHome Gym Strong - The Ultimate EditionChad V. Holtkamp
- eBook40 Days + 10,000 SwingsChad V. Holtkamp
- eBookOther WorldsChad V. Holtkamp
- eBookDomination of the SPOOKSChad V. Holtkamp
- eBookSeri: Home Gym StrongChad V. Holtkamp
- eBookGet Strong Get LeanChad V. Holtkamp