Was he reading My Pet Goat to the kids, or for himself?

From the Wall Street Journal [subs.req'd]:

In an early scene in Michael Moore's film...President Bush sits before a Florida elementary school class on Sept. 11, perusing the pages of "The Pet Goat," the story's real title. After being told that both World Trade Center towers have been hit, Mr. Bush remains fixed in his chair....

The story is contained in a book called "Reading Mastery: Rainbow Edition, Level 2, Storybook 1," a school reading aid offered by SRA/McGraw-Hill...