01373cam a2200325 4500 56966398 TxAuBib 20041014120000.0 040220s1988||||||||||||||||||||||||eng|u 86051229 9780531103470 U.S. : lib. bdg. 11.90 0531103471 U.S. : lib. bdg. 11.90 (OCoLC)608862328 TxAuBib Jefferis, David. Helicopters / David Jefferis. New York : F. Watts, 1988. 32 p. : col. ill. ; 22 cm. Easy-read fact book, An Easy-read fact books. Includes index. Vertical takeoff machine -- The first helicopters -- Record-breaking rotorcraft -- Igor Sikorsky -- The helicopter grows up -- Pick-up from the sea -- Combat rescue -- Navy helicopters -- Gunships -- Flying a helicopter -- Helicopters big and small -- Tilt-Rotors -- Air data -- Flight details. Presents the history and development of helicopters and describes their design, flight controls, and special uses. (Amazon.) 20040220. Helicopters Juvenile literature. Helicopters. An Easy-read fact book. Easy-read fact books. TXLIV