Rihanna the Seahorse Fairy is the fourth book in the Magical Animal Fairies sub-series. Rihanna is responsible for protecting the seahorses and the specific magic associated with these gentle marine creatures. Her magical item has been stolen by Jack Frost, causing the seahorses to become endangered or the magic of the underwater gardens to fade. Rachel Walker and Kirsty Tate must help Rihanna on an underwater quest, involving mermaids, sea creatures, and the challenge of navigating the deep ocean to retrieve the magic and protect the seahorses.
