| Title |
Year
Pub. |
Description |
Retail
Price |
| THE
TOWER TREASURE (#1) |
1959 |
HB great
condition |
$6.00 |
| HOUSE
ON THE CLIFF (#2) |
1959 |
HB great
condition |
$6.00 |
| THE SECRET OF THE
OLD MILL (#3) |
1970
|
HB Some wear on
cover crayon "g" on inside page. blue spine |
$6.00
|
| HUNTING FOR HIDDEN
GOLD (#5) |
1963
|
HB great condition |
$6.00
|
| HUNTING
FOR HIDDEN GOLD (#5) |
1963 |
HB Part
of a circle indented on spine otherwise great condition |
$6.00 |
| SHORE
ROAD MYSTERY (#6) |
1964 |
HB great condition |
$6.00 |
| SECRET
OF THE CAVES (#7) |
1964 |
HB good
condition, some ware on spine edges. on back cover, small scrape |
$5.50 |
| SECRET
OF THE CAVES (#7) |
1964 |
HB great condition |
$6.00 |
| MYSTERY
OF CABIN ISLAND (#8) |
1964 |
HB great
condition, a small dent in spine's edge |
$6.00 |
| GREAT
AIRPORT MYSTERY (#9) |
1965 |
HB great
condition |
$6.00 |
| FLICKERING TORCH
MYSTERY (#22 |
1965
|
HB great condition |
$6.00
|
| PHANTOM FREIGHTER
(#26) |
1970
|
HB great condition |
$6.00
|
| SIGN OF THE CROOKED
ARROW (#28) |
1970
|
HB great condition |
$6.00
|
| SECRET OF WILDCAT
SWAMP (#31) |
1969
|
HB great condition |
$6.00
|
| THE CRISSCROSS
SHADOW (#32) |
1985
|
HB great condition |
$6.00
|
| HOODED HAWK MYSTERY
(#34) |
1970
|
HB great condition |
$6.00
|
| HIDDEN HARBOR MYSTERY |
1935
|
HB light brown
cover, inside orange & white scene. great condition, on title page
has mark of library. |
$10.00
|
| THE MISSING CHUMS |
1928
|
HB light brown
cover, inside brown with several small scenes, good condition- corner damaged,
other corner bent. |
$9.00
|