Wavelet Books Online
 
Wavelets and Subband Coding by Martin Vetterli and Jelena Kovacevic (Prentice Hall,1995, $65)
Wavelets and Filter Banks by Gilbert Strang and Truong Nguyen (Wellesley-Cambridge Press, 1996, $56)
Wavelets in Medicine and Biology edited by Akram Aldroubi and Michael Unser (CRC Press, 1996, $80)  
A Wavelet Tour of Signal Processing by Stéphane Mallat (Academic Press,1998, $60)
The Wavelet Digest edited by Wim Sweldens
wavelet.org
 
Wavelets and their application for the solution of partial differential equations in physics, Stefan Goedecker
  Wavelets Matlab Course Exercises