B-A BA des mégalithes is an introductory guide to megalithic monuments, written in French by Philibert and published by Pardès in 2000. The book provides a foundational overview of megaliths—large stone structures erected by prehistoric cultures—covering their types, historical significance, and archaeological context. Aimed at general readers and students, it serves as an accessible entry point into the study of ancient European and global megalithic sites. With 126 pages, the work balances scholarly rigor with clear explanations, making it suitable for those new to the subject. Its inclusion in the 'B-A BA' series suggests a didactic approach, emphasizing essential knowledge and key concepts in the field of prehistoric archaeology.