half past six
`` Camp is plenty wild enough for me . '' `` Why , where _ is _ camp ? '' asked Sahwah in perplexity , noticing that the whole place was dark and still . It was half past six , the usual after-supper frolic hour , when camp was wont to ring to the echo with fun and merriment of all kinds . Now no sound came from Mateka , nor from the bungalow , nor from any of the tents , no sound and no movement . Before their astonished eyes the camp lay like an enchanted city , changed in their absence from a place of racket and bustle and resounding laughter , to a silent ghost of its former lively self . `` What 's happened ? ''