The Short-Wave Mystery (Hardy Boys, Book 24)
Publisher: Grosset & Dunlap
Published: April 1, 1975
Language: eng
Number of pages: 176
ISBN-13: 9780448189246
First sentence: DIDAHDIT ... dahdahdididit ... didididahdah ... dahdidahdit ... Frank Hardy's fingers deftly pounded out the CW-key sign-off: "R 73 C U AGN AR WB2EKA DE WB2XEJ SK.