THE GHOST AT THE WATERFALL BY HELEN WELLS AND PUBLISHED BY GROSSET & DUNLAP, N.Y. IN 1957 (COPYRIGHTED 1956).  #11 IN THE VICKI BARR FLIGHT STEWARDESS SERIES.  HARDCOVER  EDITION IN DUST JACKET LISTING TO VICKI BARR #12 ON INSIDE FRONT FLAP, CHERRY AMES DOCTOR'S NURSE ON REAR COVER AND CONNIE BLAIR RUBY QUEEN ON REAR DJ FLAP.  BOOK IS IN GOOD TO VERY GOOD CONDITION WITH WEAR TO EXTREMITIES, SLIGHT CORNER BUMPS,  PREVIOUS OWNER'S NAMES ON FRONT FREE ENDPAPER.  DUST JACKET IS IN GOOD TO VERY GOOD CONDITION WITH  EDGE AND SPINE END WEAR/TEARS. POSTAGE $5.00 IN THE UNITED STATES AND BY ARRANGEMENT OVERSEAS.  I COMBINE ORDERS TO SAVE ON POSTAGE.  PAYMENT CAN BE MADE BY PAYPAL.......GOOD LUCK!