wishlist
Disappearing Cryptography: Information Hiding: Steganography & Watermarking
http://www.amazon.co.jp/exec/obidos/ASIN/1558607692/qid=1077929585/sr=1-1/ref=sr_1_0_1/250-3305566-8198602
Digital Watermarking (The Morgan Kaufmann Series in Multimedia Information and Systeme)
http://www.amazon.co.jp/exec/obidos/tg/detail/-/english-books/1558607145/contents/ref=cm_toc_more/250-0049204-5045840
Information Hiding Techniques for Steganography and Digital Watermarking
http://www.amazon.co.jp/exec/obidos/tg/detail/-/english-books/B000066FXM/contents/ref=cm_toc_more/250-0049204-5045840