Indent region

[Rodolfo Medina]

`C-u 10 C-x TAB' or `C-M-\' indent a region `line by line', whereas I want the
whole region to be indented, like:

    The old lady pulled her spectacles down and looked over them about the
    room; then she put them up and looked out under them. She seldom or never
    looked through them for so small a thing as a boy; they were her state
    pair, the pride of her heart, and were built for "style," not service --
    she could have seen through a pair of stove-lids just as well. She looked
    perplexed for a moment, and then said, not fiercely, but still loud enough
    for the furniture to hear:

.  In Emacs manual I couldn't find an answer to the problem.

Thanks for any help
Rodolfo