The ASE L1 Advanced Engine Performance study guide and practice test by Motor Age Training provides automotive service repair professionals the knowledge to successfully take and pass the ASE L1 Advanced Engine Performance certification exam. This 4-book bundle includes: ASE Test Prep – L1 Advanced Engine Performance ASE Test Prep – L2 Medium/Heavy Vehicle Electronic Diesel Engine ASE Test Prep – L3 Light Duty Hybrid Electric Vehicle Specialist ASE Test Prep – L4 Advanced Driver Assistance Systems (ADAS) Specialist This guide offers detailed illustrations and the most current L1 certification task list provided by ASE for anyone preparing for the exam. Most importantly, this book contains details on the L1 Composite Vehicle Type 4, which is essential for passing the certification exam. When searching for the motor age training books, the ASE Certification Test Prep - Car/Light Truck Study Guide Package A1-A9 is an excellent choice. The spiral bound version of these books are great for those who really use and abuse their books. Our proprietary binding helps you lay this title flat for easier reading and handling. Product Details ASIN : B0DCHRQQQ7 Publisher : Motor Age (February 1, 2016) Spiral Bound : 358 pages Reading age : 16 years and up Item Weight : 5 ounces