The three investigators. 4, The mystery of the green ghost /

The three investigators. 3, Mystery of the whispering mummy /

The three investigators. 8, Mystery of the silver spider /

The three investigators. 10, The mystery of the moaning cave /

The three investigators in The mystery of the fiery eye /

Alfred Hitcock and The three investigator in The mystery of the talking skull /

Alfred Hitchock and The three investigators in The mystery of the laughing shadow /

Alfrad Hitchock and The three investigators in The secret of the haunted mirror /

Karyometric investigations /

Criminal investigation. /

Criminal Investigation.

An Investigation of the Quench ...

Three chestnut horses /

Investigating English style /

The Chemical Investigation of Plants /

Half Moon investigations /

Three novels /

The three wishes /

Three stories /

The three musketeers /

Traja pátrači. 4, Záhada zeleného strašidla /

Traja pátrači. 2, Záhada zajakavého papagája /

The three investigators. 4, The mystery of the green ghost /

Záhada starého denníka /

Alfred Hitchcock a traja pátrači : záhada zeleného strašidla /

Alfred Hitchcock a traja pátrači : záhada ohnivého oka /

Alfred Hitchcock a traja pátrači. Záhada zajakavého papagája /

The three investigators. 2, Mystery of the stuttering parrot /

The three investigators. 3, Mystery of the whispering mummy /

The secret of terror castle /

The three investigators. 8, Mystery of the silver spider /

Traja pátrači. 7, Tajomstvo ostrova kostier /

Traja pátrači. 6, Záhada miznúceho pokladu /

Traja pátrači. 3, Záhada šepkajúcej múmie /

Alfred Hitchcock a traja pátrači : tajomstvo ostrova Kostier /

Alfred Hitchcock a traja pátrači : záhada kašlajúceho draka. 8 /

Alfred Hitchcock a traja pátrači /

Alfred Hitchcock a traja pátrači : záhada zajakavého papagája /

Alfred Hitchcock a traja pátrači. Tajomstvo Strašidelného zámku /

Alfred Hitchcock a traja pátrači. 3, Záhada šepkajúcej múmie /