This is a rare and highly sought-after first edition hardcover book titled "The Hitchhiker's Guide to the Galaxy" by Douglas Adams. It features a dust jacket and is in its original form as a science fiction novel. The book is written in English and was published in 1979 by Harmony publishers. The intended audience is both young adults and adults, and it is part of the "Hitchhiker's Guide to the Galaxy" book series. This book is a must-have for any collector or fan of science fiction literature.