Text algorithms - book

Book by M. Crochemore and W.Rytter is available in a PostScript format:
http://web.njit.edu/~rytter/TEACHING/TEXTS/book.html. I don't see any copyright/licensing notices, but we probably can assume that is free for private use.

Update (2011-04-14): book is freely available on M. Crochemore's site, in a PDF format, just click.