This book presents the whole history of LM scale, its necessity, mode of preparation and administration etc., in a very simple and lucid manner. At each step, guidelines by Dr Hahnemann have been quoted to show the authenticity of the authors views. The author also touches upon various general topics on homeopathic philosophy such as the need for single medicine, the selection of potency, and repetition of the medicine etc., Apart from these the author also raises some controversial questions like application of medicines by olfaction and massage, application of potencies from higher to lower etc. These make the book interesting. At the end the author has given two cases of Dr Hahnemann treated with LM potencies and also presents many of his own cases.