The Helicopter 
Subtitle: History, Piloting, and How it Flies
Contributors: Lucy Raymond (Illustrator); David Gibbings (Illustrator); Dulcie Legg (Illustrator)
Edition: 4th edition
Publisher: David & Charles PLC
Published: January 1990
Language: eng
Format: Hardcover
Number of pages: 240
ISBN-13: 9780715389409
Subjects: Technology: General Issues; General; Technology & Industrial Arts