Robert C. O'Brien

In the wake of a nuclear war, a young woman survives on her own, fearing she may actually be the proverbial last woman on earth, until she discovers the most astonishing sight of her life: another human being. A distraught scientist, he’s nearly been driven mad by radiation exposure and his desperate search for others. A fragile, imperative strand of trust connects them. But when a stranger enters the valley, their precarious bond begins to unravel.

Thanks to a nuclear holocaust, the world Ann Burden knew and everyone she ever loved is gone. But her solitude is about to change, and maybe there are worse things than being the last person on earth.

A widowed field mouse must move her family -- including an ailing son -- to escape a farmer's plow. Aided by a crow and a pack of superintelligent, escaped lab rats, the brave mother struggles to transplant her home to firmer ground.