“The suspense is unflagging...Recommend this one to fans of Michael Crichton and Robin Cook.” —School Library Journal

Two lifelong friends have been aging backwards for decades. Now teenagers, they’re frantically searching for a caregiver to watch over them when they reach infancy, and the clock is ticking.

In the year 2000, Melly and Anny Beth reached the peak of old age and were ready to die. But when offered the chance to be young again by participating in a top-secret experiment called Project Turnabout, they agreed. Miraculously, the experiment worked—Melly and Anny Beth were actually growing younger every year. But when they learned the final treatment would be deadly, they ran for their lives.

Now it is 2085. Melly and Anny Beth are teenagers. They have no idea what will happen when they hit age zero, but they do know they will soon be too young to take care of themselves. They need to find someone to help them before time runs out, once and for all…