"The Test Your Unix Skills" book by Yashavant P. Kanetkar is a comprehensive textbook in the Computer Science genre, tailored for adults who want to improve their Unix skills. The first edition, published by Bpb Publications in 2003, consists of 202 pages filled with practical tests and explanations on various Unix topics. With a paperback format and English language, this book provides a valuable resource for those looking to enhance their understanding and proficiency in Unix computing.