ถ้าคุณชอบ The psychedelic experience; a manual based on the Tibetan book of the dead

"The authors were engaged in a program of experiments with LSD and other psychedelic drugs at Harvard University until sensational national publicity, unfairly concentrating on student interest in the drugs, led to the suspension of the experiments. Since then, the authors have continued their work without academic auspices"--front cover.…