Starting Bookreader on OpenVMS
  To start Bookreader on OpenVMS, choose Bookreader from
  the Applications menu of the Session Manager.

  Alternatively, you can type the following command at the
  system prompt:
  $ BOOKREADER

  The Library window opens, listing the library of bookshelves
  and books available.

  For a full list of DCL commands and qualifiers available with
  Bookreader, enter the following DCL command:
  $ HELP BOOKREADER