The "CUET-UG 2023 10 Practice Sets" book is a study material designed to help students prepare for the CUET. It contains 10 sets of practice papers i.e, 5 mock tests and 5 solved papers. The mock tests are designed to help students improve their time management skills, accuracy, and confidence whereas the solved papers make it easy for students to understand the concepts and apply them in the exam. Overall, the book is a comprehensive study material that helps students prepare for the exam efficiently and effectively.