This book is aimed at all musicians who play guitar, bass, ukulele, or any other string instrument. It provides information about different types of instruments, tips for purchasing, maintenance, string selection, and much more. The focus of the book is also on teaching how to set up your instrument and how to better assess whether the instrument is in good condition. Additionally, there are short workshops that demonstrate how to perform small repairs yourself, such as replacing a saddle or a bridge insert. Basic pickup wiring for electric guitar and electric bass is also explained. An exciting book for anyone who wants to better understand their instrument.