Abstract
This Online book selling websites helps to buy the books online with Recommendation system which is
one of the stronger tools to increase profit and retaining buyer. The book recommendation system must recommend
books that are of buyer’s interest. Recommendation systems are widely used to recommend products to the end users
that are most appropriate. This system uses features of collaborative filtering to produce efficient and effective
recommendations. Collaborative recommendation is probably the most familiar, most widely implemented and most
mature of the technologies. Collaborative recommender systems aggregate ratings of objects, recognize commonalities
between users on the basis of their ratings, and generate new recommendations.