From the reviews:

The book is written with care and it will be attractive to readers with different interests. In particular, the short but general overview on weighted norm inequalities and extrapolation given in Chapter 1 should be appealing to a broad audience, and many analysts will find valuable the part dealing with one-weighted inequalities, while the necessarily more technical presentation of the two-weight theory demands better preparation from the reader.

Javier Duoandikoetxea (Mathematical Reviews)

“This book presents some recent aspects of weighted norm inequalities, in particular, it deals with generalizations and applications of the extrapolation theorem of Rubio de Francia. It is well-written and its contents are well-organized. … it is useful … not only for researchers and students who are working on weighted norm inequalities but also for mathematicians working in other areas of harmonic analysis.” (Yasuo Komori, Zentralblatt MATH, Vol. 1234, 2012)