12 books in series

Operation Nautilus

Operation Nautilus is a 12-book series with 12 released primary works first released in 1993 with contributions by Wolfgang Hohlbein.

#1
Cover 8

Die vergessene Insel

#1 of 12 in Operation Nautilus

1993 • 1 Reader • 172 pages • 5

#2
Das Mädchen von Atlantis

#2 of 12 in Operation Nautilus

1993 • 1 Reader • 209 pages • 5

#3
Cover 7

Die Herren der Tiefe

#3 of 12 in Operation Nautilus

1994 • 1 Reader • 189 pages • 5

#4
Cover 4

Im Tal der Giganten

#4 of 12 in Operation Nautilus

1994 • 1 Reader • 203 pages • 4

#5
Cover 5

Das Meeresfeuer

#5 of 12 in Operation Nautilus

1995 • 1 Reader • 191 pages • 5

#6
Cover 4

Die schwarze Bruderschaft

#6 of 12 in Operation Nautilus

1995 • 1 Reader • 189 pages • 5

#7
Die steinerne Pest

#7 of 12 in Operation Nautilus

1996 • 1 Reader • 180 pages • 3

#8
Cover 3

Die grauen Wächter

#8 of 12 in Operation Nautilus

1997 • 1 Reader • 3

#9
Die Stadt der Verlorenen

#9 of 12 in Operation Nautilus

1998 • 1 Reader • 202 pages • 3

#10
Die Insel der Vulkane

#10 of 12 in Operation Nautilus

1999 • 1 Reader • 178 pages • 3

#11
Die Stadt unter dem Eis

#11 of 12 in Operation Nautilus

2000 • 1 Reader • 179 pages • 3

#12
Die Rückkkehr der Nautilus

#12 of 12 in Operation Nautilus

2002 • 1 Reader • 345 pages • 3