TOM SWIFT AND HIS DEEP-SEA HYDRODOME: Tom Swift, Jr series #11.
Edition: First edition.
New York: Grosset & Dunlap, c. 1958. dj. Hardcover first edition - Illustrated by Graham Kaye. Last title in this series listed in the book and on the dj flap. Backcover has a striking black and white Hardy Boys ad: 'Don't Miss the Thrilling Hardy Boys Mysteries.' Blue and white illustrated endpapers. 184 pp.
Condition: Very good+ in blue tweed covers, in a very good dustjacket (chip on rear cover, wear at corners, upper end of spine.) Overall a tight and clean copy.