Data Mining and Analysis Textbook by Ryan Swanstrom.
Ryan points out: Data Mining and Analysis: Fundamental Concepts and Algorithms by Mohammed J. Zaki and Wagner Meira, Jr. is available for PDF download.
Due out from Cambridge Press in 2014.
If you want to encourage Cambridge Press and others to continue releasing pre-publication PDFs, please recommend this text over less available ones for classroom adoption.
Or for that matter, read the PDF version and submit comments and corrections, also pre-publication.
Good behavior reinforces good behavior. You know what the reverse brings.