Star Wars Episode III Revenge of the Sith

You may be looking for the novel of this title: Star Wars Revenge of the Sith (Novel)

Information Summary
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Opening Crawl Star Wars Episode III REVENGE OF THE SITH War! The Republic is crumbling ​ under attacks by the ruthless Sith Lord, Count Dooku. There are heroes on both sides. Evil is everywhere. In a stunning move, the fiendish droid leader, General Grievous, has swept into the Republic capital and kidnapped Chancellor Palpatine,leader of       the Galactic Senate. As the Separatist Droid Army attempts to flee the besieged capital with their valuable hostage, two Jedi Knights lead a       desperate mission to rescue the captive Chancellor