In a 1962 AP story, Burgess remembers his favorite book from childhood. It was not Aim! Fire! Bang! Stories, as stated in his autobiography. Rather it was one in a series of natural history readers for children: Friends in feathers and fur (1885) by James Johonnot. I've embedded it below. Much of Burgess's vocabulary, pedagogical perspective, even character names (Longlegs the Heron) can be found here.
Next: Little Stories for Bedtime: Origin