i have a bundle of {2} hardback books

childern/ young adults
action/adventure//mystery

franklin w dixon

the hardy boys mystery

1-  the secret of wildcat swamp {no.31}
pub by  grosset& dunlap
copyright 1969
very good/fine condition

2-  danger on vampire trail {no.50]
pub by.. grosset&  dunlap
copyright 1971
fine condition