A taste of the book; Jyotish Fundamentals, by Visti Larsen.
The extracts include the use of the vimsamsa (d20) chart to ascertain the native’s ups and downs in spirituality, as well as their capability.
The second part deals with the ascertainment of Guru and the association that one has with the Guru especially. Some pointers on problems in ones Tapasya are also given.
An extra Shivratri-article is here. It gives a useful and indepth look into the use of the Upasanamsa (d20) chart to help understand the spiritual evolution in the person.