A paperback collection by H. G. Wells: Best Stories of H. G. Wells (1960.) Most of Wells' stories were collected before 1900, and there are dozens of collections reprinting from the original half-dozen collectons. Which volumes are best for you depends on what you already have or how much you like H. G. Wells' stories.

The Lord of the Dynamos
The Plattner Story
The Argonauts of the Air
The Story of the Late Mr. Elvesham
The Crystal Egg
The Star
The Man Who Could Work Miracles
The Sea Raiders
The Magic Shop
The Valley of Spiders
The Truth About Pyecraft
The Land Ironclads
Mr. Skelmersdale in Fairyland
The New Accelerator
A Dream of Armageddon
A Story of the Days to Come