The drug delivery to brain is a complex process. It is not as simple as the delivery to other targets of the body. Espesially,when drug is administered for purposed delivery to brain , it results into wide range of side- effects due to the peripheral metabolism of the drug. Hence it is very difficult to target the drug delivery directly to the brain. Advances have been made recently in order the improve the drug delivery to brain.Book highlights those advances in a very clear and direct way.