Chapter TwentyIt was a long way down. Staring below as the two sleds approached her on the outer skin of the tube, J'Tull estimated that she was ten floors from the ground. If she fell while attempting to descend by jumping from tube to tube, she knew that she would die. Even if she had been fully rested, such a course of action would have been daunting. Though she was an excellent athlete, she was by no means a trained acrobat. Nevertheless, she prepared to jump. She simply had no other choice; she would either jump from the tube or be pushed off by the Vox sleds. Identical sleds cruising over the tubes below would make her descent even more complicated. To ensure that she would have a clear spot on each tube to land on, she would have to time her leaps to coincide with the sleds'