How to find a legitimate free PDF (recommended approach)
Timings, pillars, and congregational etiquette. Zakat: Calculating charity on wealth and livestock. Sawm (Fasting): Rules of Ramadan and voluntary fasts. Hajj: The steps of the pilgrimage. 2. Transactions and Social Laws (Mu’amalat)
It provides specific rulings on water "leftovers" (water an animal has already drunk from). For example:
: For those seeking a simplified primer often used in workshops, a similar concise guide can be found on Kalamullah Scribd Collection