A nice free book on mining datasets thanks to Jure Leskovec, Anand Rajaraman and Jeff Ullman

It covers well the topic and it opens to other correlated subjects.
I like it at lot because there is a ton of material around it:

• Powerpoint Slides
• Videos

Follows the table of contents:

• Data Mining
• Map-Reduce and the New Software Stack
• Finding Similar Items
• Mining Data Streams
• Link Analysis
• Frequent Itemsets
• Clustering
• Advertising on the Web
• Recommendation Systems
• Mining Social-Network Graphs
• Dimensionality Reduction
• Large-Scale Machine Learning

Follows the links down below :

• http://infolab.stanford.edu/~ullman/mmds/bookL.pdf
• Errata: http://infolab.stanford.edu/~ullman/mmds/errata-v2.html
• Beta Version of the Third Edition that contains additional material : http://i.stanford.edu/~ullman/mmdsn.html
• The main website that contains additional materials with links to Slides, Videos: http://www.mmds.org/