Time Machine Adventures

En esta novela un viajero logra avanzar cientos de siglos en el tiempo y se encuentra con el estado final de la evolucion humana, en que las clases trabajadoras acaban siendo esclavas de las privilegiadas, en una forma tan sutil que ni ellos mismos se dan cuenta.

Once a creature is extinct, it's gone forever. Isn't it? Not anymore, as a butterfly from the past proves. The physicist mother of Kizzy and Fraser Rye has invented an amazing time machine that can travel back into the past, snatch a plant or animal now extinct, and bring it back into the present. It's a wonderful achievement, a real scientific breakthrough. But the machine has a horrifying potential.