The Bobbsey Twins' Mystery on the Deep Blue Sea by Laura Lee Hope
1965. No edition stated. 170 pages. No dust jacket. Brown illustrated cloth. Includes illustrations throughout. Upper text block edge yellow. Pages have slight foxing, tanning and minor thumbing. Front hinge slightly cracked with exposed netting, however text block remains firm. Tape residue to front pastedown. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Book has a slight forward lean.