What is the fine-grained topic of the following text: Illustrations from CSUF alumnus Kevin Costner’s book “Explorers Guild: Volume One: A Passage to Shambhala” debut at Cal State Fullerton’s Nicholas and Lee Begovich Gallery Saturday, Aug. 27, with a 5 p.m. opening reception. Only return the topic.
Debut of Kevin Costner's "Explorers Guild: Volume One: A Passage to Shambhala" illustrations at Cal State Fullerton's Begovich Gallery