By Fire By Moonlight

In the 4th book of Mary Stanton's Unicorns of Balinor series Ari and her unicorn Chase participate in a steeple chase, make friends with a possible love interest named Finn, and meet a sexy mermaid. Stephanie points out signs of child abuse in Lori's reaction to her father, and talks about fandom history. Melanie describes how her horse Sugar took care of her when she was a young and inexperienced rider.