Esencia: Science and Technology is an outstanding compilation of the core concepts of science and Technology as per the pattern of the Civil Services Examination. Unlike other books in the market, Esencia does not indulge in mere stating of facts. In fact, it presents a sensible blend of core concepts linking them with their relevance in the current times, totally in tandem with the latest pattern of the Civil Services Examination. The USP of the book is its presentation of the entire content in the form of mind Maps which leads to very easy retention of information key features: 1. Compilation of core concepts in the form of mind Maps 2. Based on the general Studies syllabus for Civil Services Examination 3. The book is comprehensive, unique, powerful and aims at boosting performance 4. Very easy to read and retain 5. Not text heavy 6. Very precise and specific to the examination requirements 7. Important for all three phases of the examination.