“Master Pentatonic Scales for Guitar in 14 Days” by Troy Nelson is a trade paperback book published in 2018. The book is part of the “Play Guitar in 14 Days Ser.” and focuses on teaching guitar players how to master major and minor pentatonic scale patterns and licks all over the neck. It includes illustrations and is written in English, making it a valuable resource for musicians looking to improve their skills on the guitar. With 60 pages and a compact size of 11 x 8.5 inches, this book is a practical and informative guide for guitar enthusiasts.