One special thing could be that it might encapsulate all the author's developed writing styles over his career. Since it's the final novel, it could be seen as a culmination of his ideas and narrative techniques.
As his final novel, 'The Lair of the White Worm' is a significant piece. It may have been the author's last attempt to tell a certain kind of story, perhaps with a blend of his unique themes and writing styles. It could also be a reflection of his state of mind at the end of his writing career.
Definitely not a true story. House of the Dragon is a work of imagination and creativity. It weaves a complex tale of power, politics, and dragons within a fictional realm.
White House Plumbers is indeed rooted in reality. While it aims to depict actual happenings, there might be some elements that have been tweaked or emphasized for dramatic effect.
The presence of the white dragon in comics is inconsistent. Some comics might feature it prominently, while others might not have it at all. It all boils down to the creative choices of the comic writers and illustrators.