Hardy boys SET of 4, reprint, 1991 editions, with shops dustcover,f.w. dixon

shops Reprints of the 1920s originals by applewood books starting in 1991.
Books 3-6
3. The secret of the old mill
4. The missing chums
5. Hunting for hidden gold
6. The shore road mystery

Books with jackets, please see photos for description and please email any questions before purchasing thx
Will send extra pictures if needed.