An old woman comes to Mars because a fraudulent travel agent offers a "trip to heaven". She and other members of her traveling group find an extremely battered and derelict rocket which was supposed to be used for the last part of the trip. And it is used for that trip, in a pretty literal sense.
After some sudden and unspecified catastrophe has depopulated England, the countryside reverts to nature, and the few survivors to a quasi-medieval way of life. The first part, The Relapse into Barbarism, is the account by some later historian of the fall of civilisation and its consequences, with a loving description of nature reclaiming England. The second part, Wild England, is an adventure set many years later in the wild landscape and society.
Wilbur Murphy sought romance, excitement, and an impossible Horseman of Space. With polite smiles, the planet frustrated him at every turn--until he found them all the hard way!
"Nothing could be done. The thing was universal and beyond our human knowledge or control. It was death for young and old, for weak and strong, for rich and poor, without hope or possibility of escape." Must Professor George Challenger and friends, barricaded in a room, see Earth die? As globe passes through a belt of poisonous ether, terror sweeps mankind; cities riot; communications cease