"The Advanced Montessori Method, Volume 1" was published in 1918 in English and is considered a seminal work along with "The Montessori Method." In the foreword to this book, Mario Montessori writes: "...the refulgent figure of the child, Dr. Montessori pointed out, who had found his own path to mental health, who spontaneously and joyfully had taken to learning at an early age, has caught the general attention anew." He refers to the immense power of auto-education and the dawning of a new science to bring a fuller understanding of all the traits of early childhood through observation including environment, attention, will, intelligence, and imagination. Attention refers to the stimulus that captures the child's focus or can be the attention propelled by an "internal impulse" or "spiritual hunger." It drives the child to repeat an exercise with attention fixed so intently from object to object that the initial learning brings a new kind of intense engagement. [Reprinted from "The Advanced Montessori Method, Volume 1" (1918). Kalakshetra Press (1965): 123-130. Reprinted with permission from Montessori-Pierson Publishing Company.]