خلاصه داستان :

14-year old Susan Shawson travels back in time in her building's elevator. As altered by a retired physicist living in her building, it transports her from Philadelphia of 1998 back to the same place in 1881. There she meets Victoria Walker, a girl her own age in need of assistance with her own family problems. Gradually discovering the power of her time machine, Susan, Victoria, and her young brother Robert travel back and forth in time and succeed in changing both the past and the future.

خلاصه داستان : یک فرمانده نظامی که در خارج از سیاره در طول یک جنگ بین سیاره‌ای مستقر شده است، برای مذاکره در مورد یک معاهده صلح، از میان مناظر ویران شده سفر می‌کند، اما متوجه می‌شود که روبات‌های ابتدایی که برای کشتن جنگجویان دشمن ساخته‌اند، به دست آورده‌اند...

SIRIUS 6B, Year 2078. On a distant mining planet ravaged by a decade of war, scientists have created the perfect weapon: a blade-wielding, self-replicating race of killing devices known as Screamers designed for one purpose only -- to hunt down and destroy all enemy life forms.