BLYTON, Enid (author). Gilbert DUNLOP (illustrator). The Rubadub Mystery. London; Collins. 1952

8vo.; original red cloth lettered in black to spine, top edges red, in pictorial dustwrapper with wrap-around design; pp. [vi], 7-256; with pictorial chapter-headings throughout by Dunlop; externally very fresh, internally crisp throughout with some light scattered grey spots just affecting lower margin of 7 leaves, without ownership marks or inscriptions, in an attractive unclipped dustwrapper (6s 6d) with mild rubbing to joints, light scuffing to spine and 3 small closed nicks to spine head, with mild abrasion.

First edition, first printing.  This is the fourth title in the series about Roger, Diana, Snubby and his dog Loony, and Barney and his monkey Miranda following, The Rockingdown Mystery; The Rilloby Fair Mystery and the Ring o’ Bells Mystery.  

An engrossing adventure about strange guests at a seaside holiday inn near Hush-Hash Bay.