No. The official Harry Potter books follow the story of Harry Potter's adventures at Hogwarts and his fight against Voldemort. There is no such book called 'harry potter book of sin novel' in the official lineup. It might be a non - official or even a misnamed item.
There is no such legitimate book in the Harry Potter canon. It could be some sort of fan fiction that has a rather strange name. Fan fictions can range from really good to quite odd, and this one, from its name, doesn't seem to fit the normal positive and magical tone of the official Harry Potter books.
One key character could be a reclusive old wizard who has a vast knowledge but has always been seen as an outcast because of his excessive curiosity. Then there might be a group of Hogwarts students who are inspired by the idea that curiosity is not a sin and they start to explore the hidden corners of the school and its secrets, with one of them, like a Gryffindor named Jack, being the leader of the group.
Well, in some 'Harry Potter Sin of Pride' fanfics, the plot could revolve around a powerful wizard who is consumed by pride. He could be trying to take over Hogwarts, thinking he is more fit to rule than Dumbledore. His pride blinds him to the fact that his actions are causing chaos and harm. The story could then be about Harry and his friends uniting to stop this pride - filled wizard, with Harry having to overcome his own pride in the process to seek help from unexpected allies.
Maybe the deadly sins could be personified as new characters in the Harry Potter world. These characters would try to influence the main characters to fall into sin. For instance, Lust could be a siren - like figure that tries to seduce Ron away from Hermione, causing chaos in their relationship and in the Gryffindor house.
Well, there's a fanfiction called 'Envy and the Forbidden Artifact'. In this story, envy drives a character to seek a powerful and forbidden artifact at Hogwarts. This could put Harry and his friends in danger as they try to stop this character. Another fanfiction could be 'The Envious Eye on Harry's Inheritance'. Maybe there are those who envy Harry's potential inheritance from his parents or his connection to powerful magic. 'The Envy - Filled Rivalry in Quidditch' is also possible, where a rival team's player is envious of Harry's skills in Quidditch and tries to sabotage him during the games.
In 'Harry Potter' fanfiction, sin envy often serves as a catalyst for plot development. It can inspire villains or antagonists. Imagine a student envious of Harry's connection to Dumbledore. This envy could drive them to join the dark side or create their own schemes. Envy can also be a source of internal struggle for characters. They might be envious of others' magical gifts and have to grapple with that negative emotion, which can be explored in great detail in fanfiction. It can add layers of complexity to the 'Harry Potter' universe that we already know and love.
Harry Potter himself is often a main character in these fanfictions. His journey to fight against the forces of pride is a common theme. Since he is the hero of the original series, it makes sense that he would be central in exploring how pride can be a sin. For example, his growing fame could lead to a sense of pride that he has to overcome.
One main theme could be the idea of self - discovery. Just like in the original Harry Potter series, characters in the fanfiction might be on a journey to find out more about themselves. Another theme could be the importance of asking questions. Since curiosity is not seen as a sin, characters are likely encouraged to seek knowledge through their inquisitiveness.