The texbook for this class is Wavelet Methods for Time Series Analysis, by Donald B. Percival and Andrew T. Walden. The softcover version of this book was published in 2006 by Cambridge University Press, Cambridge, UK. There is an errata sheet for the book, which lists all the known typos and errors in the book (newly discovered blemishes are added to the errata sheet as soon as possible, so you might check back every once in a while to pick up an updated list).