Is the book technically available in the public domain? No. Vintage owns the rights. While the anonymous author likely doesn't care about royalties (you can't cash a check under a fake name), the publisher does. More importantly, the act of stealing a book about a thief stealing oxygen is a delicious irony—but it doesn't support future experimental literature.
Published anonymously in 2006, Diary of an Oxygen Thief is a polarizing work that functions less as a traditional narrative and more as a raw, confessional character study of a "sadistic narcissist". The novel follows an unnamed Irish advertising executive who, by his own admission, derives pleasure from psychologically traumatizing women. Through its exploration of emotional abuse, addiction, and eventual "karma," the book serves as a disturbing mirror to the darker impulses of the human psyche and the cyclical nature of pain. The Narcissist as Architect A Diary Of An Oxygen Thief Pdf