Books

Robert von Heeren points at a natal chart

Book publications with me as main author:

Chiron Ephemeriden 2000-2050: Angaben in Tagespositionen, 1994, German and English, Chiron Verlag, also available at amazon.de.
Pholus - Wandler zwischen Saturn und Neptun: Die Wendung ins Unerwartete, co-author: Dieter Koch, 1995, Chiron Verlag, German, also available at amazon.de.
Ephemeride für sieben Kentauren 1850 - 2050. Chiron, Nessus, Pholus, Asbolus, Chariklo, Hylonome, Pylenor, 2001, Symbolon Verlag, German and English, also available at amazon.de.
Das Google Analytics Praxisbuch: Professionelle Web-Analyse mit Google Analytics und Google Tag Manager, 2019, Webmasters Press Verlag, new edition November 2022, also available at amazon.de.

Book publications with me as a contributor:

Harmonik & Glasperlenspiel - Beiträge 1994 , Verlag Peter Neubäcker, out of print. My contribution: Transcript of a lecture of mine on the setting of geocentric planetary cycles, German.
Astrologie der Planetentransite, Daniela Weise, 1999, Falken Verlag, also available at amazon.de. My contribution: planetary tables (ephemerides) in the appendix, German.
121 Himmelskörper: 11 Planeten, 32 Asteroiden, 78 Fixsterne (Astrologie Anfänger - Profi), 2003, Frank Felber, Jupiter + Uranus Verlag, out of print. My contribution: Ephemerides in the appendix, German.
Life After Grief: An Astrological Guide to Dealing with Loss, 2004, Darrelyn Gunzburg, The Wessex Astrologer, out of print. My contribution: Ephemerides for Chiron, Pholus and Nessus in the appendix, English, also available at amazon.de.

In addition, since the 90's numerous articles of mine have been published in German and English magazines such as: