This book is the official Star Trek visual encyclopedia, containing over 9,000 entries. It boasts an overwhelming amount of information, with over 1,000 valuable photographs and over 100 detailed illustrations throughout. From characters to starships, extraterrestrial life forms, planets, weapons, equipment, food, and clothing, every element that makes up the vast world of Star Trek is accurately and systematically covered. The main authors, Michael and Denise Okuda, were originally avid Star Trek fans, and later worked for many years as core staff in the series production. With both the perspective of a fan and the perspective of official staff, the content is highly reliable. Entries are organized alphabetically, making it a book that can be enjoyed both as a reference for looking up settings and as a reading material for savoring the world. This book is a translation of the 3rd edition (the latest edition) of the original, and is a definitive edition following the old edition published in 1998. It is, of course, an introductory book to Star Trek, and is a must-have for long-time fans, truly a book to keep at your side. Regarding the condition, both the cover and the text are in good condition, with no noticeable scratches or stains. You can use it without any problems for reading or reference purposes.