A man's daring stunt atop the World Trade Center towers.
Parents need to know that Philippe Petit's awe-inspiring tightrope adventure a quarter of a mile in the air was extremely dangerous. Gerstein's illustrations -- which won him the 2004 Caldecott medal -- are so successful at giving the reader a sense of perspective from the incredible height of the twin towers that some readers may experience a feeling of vertigo from looking at them. The final painting is of of the imagined imprint of the towers, which, since the terrorist attack of 9/11, 2001, exist only in memory.