In the book the last of the high kings
After confronting J.J., the púka went to Molly’s place, where he
A. Used a spell on J.J. to make him forget the encounter
B. Changed into a fairy and accompanied J.J. to Tír na n’Og
C. Scared J.J. and the children with visions of horrible monsters
D. Withdrew a tree from underground for J.J. you use for his fiddles