Sayonara wo Oshiete Official Art & Material Book (3rd edition, 2002)
Sayonara wo Oshiete Official Art & Material Book (3rd edition, 2002)
Sayonara wo Oshiete Official Art & Material Book (3rd edition, 2002)

A full PDF is available for viewing and download here.

About and FAQ
Scans
Downloads
Translations
Blog
Tutorials