Pearl the Magical Unicorn and her companions go on another adventure in Pearl the Proper Unicorn, the third volume in the chapter book series by Sally Odgers and Adele K. Thomas. The beautiful unicorn Pearl and her friends Olive, Tweet, and Pearl are all back! They run into another unicorn this time! Prince Percy is his name, and he is just amazing in every way! But will Prince Percy's perfect magic save them when obnoxious, stinking gobble-uns take over the pond? Will Pearl's magic solve their problems, or not?