The High Republic: The Fallen Star is a science fiction novel by Claudia Gray, the third and final adult novel in the Star Wars: The High Republic franchise's first phase, Light of the Jedi. It is a direct sequel to Light of the Jedi and The Rising Storm taking place 200 years before Star Wars: The Phantom Menace.

The novel follows the story of the Jedi Order as they face their greatest challenge yet: the Nihil, a group of space pirates who have declared war on the Republic. The Jedi must travel to the farthest reaches of the galaxy to protect the innocent and uphold the values of the Republic. Along the way, they will face new enemies, make new friends, and discover the true meaning of heroism.

The Fallen Star is a fast-paced and exciting read that will keep you on the edge of your seat. Gray does an excellent job of developing the characters and creating a suspenseful plot. The novel is also full of interesting insights into the High Republic era and the Jedi Order. If you are a fan of Star Wars or Claudia Gray, then you will definitely enjoy The Fallen Star.