This is a great intro to understanding how to deal with missing data. Rubin (a co-author) is widely considered the ultimate authority on imputation and dealing with missing data. 

Rubin (author) is widely considered the ultimate authority on imputation and dealing with missing data. Like the book above, Rubin deals with how to handle missing data, but focuses specifically on Multiple Imputatin techniques in this book.

This book given great examples for practical application, is inexpensive, and available on Kindle. It isn't a thorough as some alternatives, but it is worth checking out.