These books are reading copies only.  The books have moderate to heavy wear.  Assume

that the books have names, addresses, and/or prices written inside.

2.  The Hidden Staircase, 1959 revised text, moderate wear, spine slant

6.  The Secret of Red Gate Farm, 1961 revised text, moderate wear, spine slant, a few stains,

yellowed tape inside book

7.  The Clue in the Diary, 1932 original text, jacket is quite worn, moderate wear, spine slant,

a few stains

8.  Nancy's Mysterious Letter, 1932 original text, moderate wear, spine slant

16.  The Clue of the Tapping Heels, 1939 original text, jacket is quite worn, moderate wear,

spine slant

25.  The Ghost of Blackwood Hall, 1948 original text, jacket is worn with front flap missing,
heavy wear, spine slant, a few stains

26.  The Clue of the Leaning Chimney, 1949 original text, heavy wear, split in binding, one

block of pages detached from binding

28.  The Clue of the Black Keys, 1951 original text, jacket is worn, moderate wear, spine

slant

29.  The Mystery at the Ski Jump, 1952 original text, jacket has chipping, moderate wear,

spine slant

30.  The Clue of the Velvet Mask, 1953 original text, jacket is worn, pencil on front panel

lettering, moderate wear, spine slant

33.  The Witch Tree Symbol, 1955 original text, around five pages have scribbles in red

ink, moderate wear, spine slant, a few stains

37.  The Clue in the Old Stagecoach, 1960 (only version is 1960 version with 20 chapters),

heavy wear, spine slant, bookplate on inside front cover

I do not accept offers.  My current best price is the price on this listing.