“ASEAN Baisri: A Shared Ritual of Laos, Cambodia, and Thailand” invites readers to explore the Baisri ritual as a shared cultural heritage of Laos, Cambodia, and Thailand. This ceremony reflects the deep-rooted beliefs, ways of life, and local wisdom of people across the ASEAN region. The book connects the Baisri ritual with the concept of multiculturalism, highlighting the value of diversity, mutual respect, and peaceful coexistence. It is an insightful resource for scholars, students, and general readers interested in ASEAN cultures and the significance of living together in a multicultural society.