Appears unread. Pages in great condition - no writing or tears. Cover has some light shelf wear. Buy with confidence - every order ships with delivery confirmation tracking number. Fast shipping from our non-smoking home. 2017AMA502 Additional Details ------------------------------ Product description: Offers a fully illustrated and complete systems presentation of single-engine and light-twin engine aircraft; includes in-flight troubleshooting techniques-system by system; how to approach covers aircraft maintenance, fuel systems, electrical systems to deicing, and anti-deicing systems and more; translated into Spanish.