Inscribe
      (static) void CancelUser( BaseBook book )
      (static) void Copy( BaseBook bookSrc, BaseBook bookDst )
      (static) Mobile GetUser( BaseBook book )
      (static) void Initialize()
      (static) bool IsEmpty( BaseBook book )
      (static) TimeSpan OnUse( Mobile m )
      (static) void SetUser( BaseBook book, Mobile mob )
      (ctor) Inscribe()