This is a lot of 3 vintage hardcover books about aircraft flying. Included are:
~"Positive Flying" by Richard L. Taylor and William M. Guinther/ copyright 1978/ published by Macmillan Publishing company/ 229 pages.
~"Fly On Instruments" by George C. Larson/ copyright 1980/ published by Library Of Congress Catalog/ 211 pages
~"Cause And Circumstance" by Archie Trammell/ copyright 1980/ published by Ziff-Davis Publishing Company/ 210 pages
These books are in good pre-owned condition.