The Art of Synthesis
Alan Leo · 1912
About the book
Leo's book on the planets themselves, one chapter each: the Sun as life-giver, the Moon as mother, Mercury the thinker, Venus the unifier, Mars the energiser, Saturn the subduer. Synthesis is his word for the step that makes an astrologer — holding a whole chart in mind at once instead of adding up its pieces.
Inside the course
18 parts- Man and the planets: the universe mirrored in a nativity
- Planets and consciousness — action, feeling, cognition
- The planets and the seven principles; personality and individuality
- The Sun, life-giver: rising, setting, on the midheaven
Questions
Is The Art of Synthesis free to read in Astra Trainer?
Yes. The full book opens free in the app’s reader, in English, Spanish, German, French, Italian, Polish, Portuguese, and Russian.
What is the short course?
18 short parts that walk through the book’s key ideas in slides, each with a quick quiz.
Where do I get the app?
Astra Trainer is free on the App Store and Google Play. The Art of Synthesis is waiting in the app’s library.





