There have been three light novels based on the series published by Kadokawa Shoten under their Kadokawa Sneaker Bunko label. The novels are written by Tōka Takei and feature illustrations by Lucky Star's original author Kagami Yoshimizu.
Lucky Star Murder Case (らき☆すた らき☆すた殺人事件 ,Raki☆Suta Raki☆Suta Satsujin Jiken) is the first of the lucky star light novels and was published on September 1, 2007.
Lucky Star Online (らき☆すた らき☆すたオンライン ) was published on March 1, 2008.
Lucky Star Super Dōwa Taisen (らき☆すた スーパー童話大戦 ) was published on October 1, 2008.