Book and Dust Jacket appear to be 1951A-1 printing per Carpentieri Guide 5th Edition
Author: Franklin W. Dixon
Publisher: Grosset & Dunlap
Copyright: 1951
Book Cover Color: brown
Endpapers: Orange Gretta
Dust Jacket:Chipping at head and foot and some in corners, minor creases (See Photos)
Volume No. 30
Plain Frontispiece
Condition:
Pages: supple creamy white. (See Photo)
Inscription: None
Marks, stains etc.: None Noted