then the pony stepped out of the frame and the doctors carriage flashed through and i returned to the vital business of finding and collecting seared oranges for the boy with the fascinating arms ; i ducked down and sprinted here and there in the tree well snatching up the husks before any of the other children spied them ; i stood with two grenades in line bouncing on the toes of my sneakers , ready to produce my hoard for the work of the boy bomber , and while i waited , i enjoyed the unparalleled sensation of excitement brewing inside me , bubbling happily , and it was a mad desire which was brimming over ever since i had seen the dwarf white horse prancing atop the tree limb .