Vintage The Hardy Boys Mysteries Lot of 13 Books - 60s & 70's Hardcovers. Condition is Acceptable. Shipped with USPS Media Mail.

Readable. Spines are solid but some show bending. Sold as-is but acceptable for reading.

Included are 13 books:

#12 Footprints Under The Window
#13 The Mark On The Door
#15 The Sinister Signpost
#16 A Figure In Hiding
#17 The Secret Warning
#18 The Twisted Claw
#19 The Disappearing Floor
#20 Mystery Of The Flying Express
#23 The Melted Coins
#35 The Clue In The Embers
#36 The Secret Of Pirates' Hill
#42 The Viking Symbol Mystery

The Hardy Boys - Detective Handbook