This listing is for two books, "Mostly Harmless" by Douglas Adams Hardcover and "And Another Thing" by Eoin Colfer Trade Paperback. These books are part Five and Six of the "Hitchhiker's Guide to the Galaxy" Trilogy Series 🤣 which has become a universal, science fiction humor collection. The books are published by Crown/Harmony Pub. & Hyperion Books, in first edition, and were published in 1992 and 2009 respectively.

Both books are in vintage new/unread condition. Harmless 1992 features a dust jacket and is 1st US edition, 2nd printing. Another thing, 2009 TPB in off the shelf condition, and is 1st edition and printing. The books are in English and were manufactured in the United States. This is a great addition to any book lover's collection who enjoys science fiction and humorous fiction.