Don Wright's Guide to FREE Campgrounds  (not free but only 16.95USD)
ISBN 0-937877-27-1.

Coleman (tm) National Forest Campground and Recreation Directory 14.94USD
Email mail@ournationalforests.com  ISBN not listed.

Both are US wide, well organized, and require no batteries, 802.3, Satellite
visibility,  Can be used at night with suitable illumination.

Also

Hotsprings of the West or www.soak.net

My fave is west of Austin NV, Spencer Hot Springs.

BLM  -- "this land is your land" -- apologies to Woodie.  Check with the
local BLM office for updates and local regs.

Or Check the various Delorme or Benchmark Maps EG: "Nevada Road and
Recreation Atlas" ISBN 0-929591-81-X  19.95USD at "sporting goods, guns,
beer, bait, ammo" places.  Also occasionally available at Borders Bux.

I highly recommend the Amargosa Opera House and the unique ballet there.  At
Death Valley Junction.

Check local road conditions. SR 190 out of Furnace Creek towards NV is
closed.  www.nps.gov/deva will show the pix.

Longstreet Inn and Casino has pretty good breakfasts, reasonable lodging,
just north of DV Jct.

pensioner, who qualifies for a Golden Age Pass