The Great Airport Mystery is Volume 9 in the original The Hardy Boys series of mystery books for children and teens published by Grosset & Dunlap.

The Hardy Boys, brothers Frank and Joe Hardy, are fictional characters who appear in several mystery series for children and teens. The series revolves around teenagers who are amateur sleuths, solving cases that stumped their adult counterparts. The characters were created by American writer Edward Stratemeyer, the founder of book packaging firm Stratemeyer Syndicate. The books were written by several ghostwriters, most notably Leslie McFarlane, under the collective pseudonym Franklin W. Dixon.