In order to master the art of presciption one should not only learn materia medica but should also be able to differentiate between remedies. Comparative Materia Medica is one of the finer ways of understanding the distinct nature of each remedy and it also a step towards reducing the probability of error in our prescriptions. This work is one of the classical works on comparison of drugs for their action on various organs and conditions. This book has comparisons at various levels; begining with the differentiation of remedies for various conditions, comparisons of remedies which usually come up together for various clinical conditions, comparisons of remedies of the same stock where different remedies of same group have been discussed and the comparison of allied remedies. The last chapter on therapeutic hints is beneficial for bed-side reference. Its's a worth read and like preparing for a sure shot prescription.