The road to Ubar : finding the Atlantis of the sands

von Clapp, Nicholas.
Boston : Houghton Mifflin, 1998.
Umfang/Format: viii, 342 p. : ill., maps ; 22 cm.

Sheba : through the desert in search of the legendary queen

von Clapp, Nicholas
Boston : Houghton Mifflin, 2001.
Umfang/Format: viii, 372 p., [16] p. of plates : ill., facsims., maps, plans ; 22 cm.

The road to Ubar : finding the Atlantis of the sands.

von Clapp, Nicholas
London : Souvenir Press, 1999.
Umfang/Format: VIII, 342 S., Ill., Kt. ; 22 cm.