[en] A Level Physics MCQs · Multiple Choice Questions and Answers (Quiz & Tests With Answer Keys) Independently Published
[en] Earthing · The Most Important Health Discovery Ever? Basic Health Publications
[en] Listening in the Field, Recording and the Science of Birdsong The MIT Press
[en] The Practice of Magical Evocation Dieter Ruggeberg Verlag
[cs] [Magnet 01] • Smrt si jde pro vraha Magnet-Press
[en] [Gutenberg 38448] • Modern Magic Createspace Independent Publishing Platform