![The Royal Society on Twitter: "In honour of the legendary Hitchhiker's Guide to the Galaxy author, Douglas Adams. Do not forget your towel today! #TowelDay https://t.co/Hx6sNqtdmj" / Twitter The Royal Society on Twitter: "In honour of the legendary Hitchhiker's Guide to the Galaxy author, Douglas Adams. Do not forget your towel today! #TowelDay https://t.co/Hx6sNqtdmj" / Twitter](https://pbs.twimg.com/media/DApzQdlWsAUWZBK.jpg)
The Royal Society on Twitter: "In honour of the legendary Hitchhiker's Guide to the Galaxy author, Douglas Adams. Do not forget your towel today! #TowelDay https://t.co/Hx6sNqtdmj" / Twitter
![Goodreads on Twitter: "Happy #TowelDay, readers! Make Douglas Adams proud and don't leave home without your towel. https://t.co/ERha1IdYAU" / Twitter Goodreads on Twitter: "Happy #TowelDay, readers! Make Douglas Adams proud and don't leave home without your towel. https://t.co/ERha1IdYAU" / Twitter](https://pbs.twimg.com/media/DArs9M5XUAAxPlY.jpg)
Goodreads on Twitter: "Happy #TowelDay, readers! Make Douglas Adams proud and don't leave home without your towel. https://t.co/ERha1IdYAU" / Twitter
![Don't forget your towel - hhgttg post | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide Don't forget your towel - hhgttg post | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide](https://i.pinimg.com/736x/fa/78/9a/fa789a2a35314aa6ecb006b1fa67e7ac.jpg)
Don't forget your towel - hhgttg post | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide
Science Channel - Any Hitchhiker's Guide to the Galaxy fans out there? Don't forget your towel for #TowelDay! #GeekPrideDay | Facebook
![The Hitchhiker's Guide to the Galaxy Is My Favorite Book, Here Is Why - Public Generalist | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide The Hitchhiker's Guide to the Galaxy Is My Favorite Book, Here Is Why - Public Generalist | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide](https://i.pinimg.com/originals/03/89/7e/03897e94199349abc5fc8c64f2e64c9b.png)
The Hitchhiker's Guide to the Galaxy Is My Favorite Book, Here Is Why - Public Generalist | Hitchhikers guide to the galaxy, Guide to the galaxy, Hitchhikers guide
![Hitchhiker's Guide to the Galaxy, Don't Forget Your Towel Patch. $8.00, via Etsy. | Hitchhikers guide to the galaxy, Hitchhikers guide, Guide to the galaxy Hitchhiker's Guide to the Galaxy, Don't Forget Your Towel Patch. $8.00, via Etsy. | Hitchhikers guide to the galaxy, Hitchhikers guide, Guide to the galaxy](https://i.pinimg.com/originals/f9/e5/b0/f9e5b09271e438ff1ff5b6608419b25c.jpg)