Universal Books Self Scorer ERRORLESS 2021 best book for neet 2021 preparation. NEET Full Set (Physics, Chemistry, Biology) is a complete guide and an unparalleled preparatory book-set for Medical Aspirants. Based on the syllabus and exam pattern defined by National Testing Agency (NTA) and NCERT. The books comprise a comprehensive set of 30,000 fully solved critical questions, based on current trends of the NEET Exam. The Book is an all-in-one test prep companion for students studying to get a score higher than 620.