.BKB application/x-script /HyperReader Bookreader book .BKS application/x-script /HyperShelf Bookreader shelf .DECW$BOOK application/x-script /HyperReader Bookreader book .DECW$BOOKSHELF application/x-script /HyperShelf Bookreader shelf .ODL application/x-script /HyperShelf BNU shelf
See the About page for further comment, the Help page for functional information, along with Navigation Help page.
Demonstrations: