The Sixth Perception

Series by Dan Morgan
Book 1 Dan Morgan: Das Labor der Esper (Paperback, German language, 1969, Moewig Verlag) 3 stars

Das Labor der Esper

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Book 2 Dan Morgan: Esper in Aktion (Paperback, German language, 1972, Erich Pabel Verlag) 3 stars

Esper in Aktion

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Book 3 Dan Morgan: Die PSI-Agenten (Paperback, German language, 1972, Erich Pabel Verlag) 3 stars

Die PSI-Agenten

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Book 4 Dan Morgan: Esper unter uns (Paperback, German language, 1981, Erich Pabel Verlag) 3 stars

Esper unter uns

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