Based on current results, "Nathan Cross" appears most prominently as a character in dark romance or erotica novels rather than being a single "one and only" novel by that name. The search terms likely refer to CEO Nathan Cross, a central character in the Sin and Submission series. Character Summary: Nathan Cross
You can find the full story or ongoing chapters on several web novel platforms: Flipread : Often hosts the full story under the title " The General’s Homecoming Bravonovel: Lists the book as " The One & the Only " by Nathan Cross (referring to the character name).
Sometimes, authors or publishers offer free samples or excerpts from their books. You can check the author's website, social media, or online bookstores to see if a free sample is available.