Possivelmente "Um bando de gansos" de Dame Anne McCaffrey
The cave was populated by random refugees, not an organized party. One woman ran the group; she would have preferred a permanent group who didn't challenge her authority, but so far it hadn't happened. Her greatest advantage was that she could sense when a time-shift was about to occur and could get back to safety. The cave was a safe place because it was in a place that hadn't changed geologically during human history.
aparece em Amigos de Moonsinger e A garota que ouviu dragões .
E é uma colcha de retalhos em que ela está trabalhando, de acordo com os trecho do Google Livros que encontrei.
Há uma segunda história ligada, incluída em A garota que ouviu dragões , "Os ossos mentem".