The Hitchhiker’s Guide to the Galaxy #4: So Long, and Thanks for All the Fish by Douglas Adams

Book Title	So Long, and Thanks for All the Fish
Series	The Hitchhiker’s Guide to the Galaxy
Genre	Science Fiction
Author	Douglas Adams
Publisher	Pocket
Published	1991 May 31
Format	Mass Market Paperback

Synopsis

Arthur Dent is out of his bathrobe, in love, and wondering why the dolphins said…

So long and thanks for all the fish

Was the earth really demolished? Why did all the dolphins disappear? What is God’s final message to His creatures? Arthur Dent, Ford Prefect, and the new volvold gang are off (by commercial airline) on a wacked-out quest to answer these truly unimportant questions.