A classic is Donald A Bradley’s “Solar and Lunar Returns” with simple and accurate interpretation descriptions of planets emphasized by angular placing.
He was a sidereal astrologer who put little emphasis on the zodiac signs, so you will need to either do the chart as a sidereal chart or precession-correct if you want to stay with the tropical zodiac. As a siderealist Bradley didn’t for example believe in house rulerships so the planets were not used as disposers in the chart.
He doesn’t interpret charts the same as one might interpret a natal chart. Instead the chart is primarily interpreted by reference to the nature of the angular planets.
Secondly the nature of the aspects does not qualify the inherent nature of the planets and he only used the 5 main ptolemaic aspects. Conjunctions, squares and oppositions are most important followed by the less abrupt and coercive trines and sextiles.
So the nature of the planet determines the meaning of the configuration not the nature of the aspect. Thus any aspect involving Mars, Saturn, or Neptune , trines and sextile included is read as an adverse indication. Any aspect between the luminaries and Venus, Jupiter or Uranus, squares and oppositions included, are taken as favourable auguries.
He also referred all transits to the nativity of the locality, (i.e. the relocated natal chart). And as a siderealist he believed the Campanian house system was the best for this technique.
The beauty of Bradley’s approach is the simplicity. It is a convenient method to get the “flavour” of a month (or year) very quickly and give you an introduction to Solunar Returns. Along with Bradley I would rate Eshelman’s as my favourites and I use precession correction so I can stay within the tropical zodiac.