One of the great 'Imperial Fists 30k' novels is 'The Horus Heresy: Pharos'. It delves deep into the lore of the Imperial Fists during that era. It shows their unwavering loyalty and their struggle in the face of the growing chaos.
There might be a Chapter Master as one of the main characters. He would be in charge of leading the Imperial Fists, making crucial decisions in battles and for the future of the Chapter.
I'd also recommend 'Mortis'. It provides a different perspective on the Imperial Fists. It shows their internal dynamics and how they deal with the challenges not only from the outside enemies but also from within their own legion.
One interesting plotline could be their battles against the xenos threats. The Imperial Fists are known for their tenacity in combat, and the novel might detail their strategic maneuvers against various alien races.
One great 'Warhammer 40k Imperial Guard Fanfiction' is 'The Last Stand of the 13th Platoon'. It really shows the tenacity and sacrifice of the Imperial Guard. The way the characters are developed makes you feel like you're right there in the thick of the battle with them.
In 'The Knight of Talassar', Sir Hekhtur is a main character. He is a noble and skilled Imperial Knight who has to face various challenges. His character is well - developed, and we see his growth throughout the story.
I'm not sure if the Warhammer 40K Imperial Guard has a painting book because the Warhammer 40K is a fictional game and novel series, not a real world. The painting book could be a uniform or equipment of the Warhammer 40K Imperial Guards, or it could be a painting material used for decoration. If you want to know more about the Warhammer 40K Imperial Guards, you can ask me other related questions.
These novels are very important for the overall Warhammer 40K lore. They bring to life the Imperial Guard, which is a major part of the Imperium's military. Through stories in these novels, we understand the different regiments, their specialties, and their significance. For example, in 'Straken', we learn about the Catachan Jungle Fighters and their unique skills. The novels also show the political and ideological aspects within the Imperial Guard, like loyalty to the Emperor, which is a central theme in the Warhammer 40K universe.
One great one to start with could be 'The Knight of Talassar'. It gives a really good introduction to the Imperial Knights, their lore, and their place in the Warhammer 40k universe. It has exciting battles and interesting characters.
Survival is another important theme. The Imperial Guard often face overwhelming odds. In novels such as 'The Last Chancers', the characters are constantly fighting for their survival in the most difficult situations. They have to use their wits, skills, and sometimes just pure luck to stay alive while serving the Imperium.