“Biff, come this way! Quick!”
A BIFF BREWSTER
MYSTERY ADVENTURE
By ANDY ADAMS
GROSSET & DUNLAP PUBLISHERS
NEW YORK
© GROSSET & DUNLAP, INC., 1960
ALL RIGHTS RESERVED
MANUFACTURED IN THE UNITED STATES OF AMERICA
“Guard this letter as you would your life!”
Mr. Stannart spoke in a low, tense tone as heglanced around the waiting room at Idlewild Airport.Biff Brewster felt a sudden surge of excitement whenhe took the envelope that the gray-haired man handedhim.
The envelope was tightly sealed, and it was addressedto Biff’s father, Thomas Brewster, at the HotelJacares in Manaus, Brazil. In the upper cornerwas the return address of the Aja