The Mystery of the Hidden House
Enid Blyton
Five Find-Outers (6)
Discworld 37: Unseen Academicals
Terry Pratchett
Discworld (37)
The Hidden Harbor Mystery
Franklin W. Dixon
The Hardy Boys (14)
Asterix -32- As Seen by his Friends
Unknown
Secret honor
W. E. B. Griffin
Jackdaws
Ken Follett