Pan-Galactic Gargle Blaster is a fictional drink from the book The Hitchhiker's Guide to the Galaxy.
The promotion of the beverage is used as branded content for Barnes & Noble as they celebrate the 40th anniversary edition of the book. The Beverage was adapted to Earth ingredients and can be bought as Gargle Blasterccino at the B&N Starbucks stores. Cans of the beverage are also given with a purchase of the NOOK, a modern version of The Guide.