Avoid websites with URLs ending in .tk , .ml , or file-sharing hosts like Mediafire or 4shared promising a free PDF. These are often vectors for ransomware.
Unlike theoretical textbooks (looking at you, Sadiku or Nilsson), Agrawal’s handbook is built for application. It bridges the gap between "I understand Ohm's Law" and "How do I select the right circuit breaker for a 220kV line?" Avoid websites with URLs ending in