Books about Dogs:

Rituals-

Symbiosis between Dog and Human

Tina-

My Best Friend

My Bitch from Sri Lanka

Books about Fates:

Vasili

I had Come to Kill you and Ended up in your Arms Instead

The English Mum
Letters to a German Sixteen-Year-Old

Books about Phones:

Europe's Colourful Telephone Family

... and a Glance Outside the Box

The Drum Dial

The Forgotten Telephone Luminary of 

the Federal German Foundation Years

The Drum Dial

Volume 2

Back to the Future - A Chronology of the Patents

The Drum Dial

Volume 3

Selected Passion

The Ericofon
How a Cobra Conquered the World

Book about England:

England, 

my Dearest

Farewell Letters to an English Friend

Imprint

Data Security