Ruby the Red Fairy is the exciting first book in the internationally popular Rainbow Magic series, setting the stage for the adventures of best friends Rachel Walker and Kirsty Tate. The girls are on holiday when they discover Fairyland is in terrible trouble. Jack Frost, the mischievous and grumpy goblin king, has decided to ruin all the colors of the world by stealing the seven essential Rainbow Fairies and locking them away. Ruby, who controls the vital color red, is the first fairy the girls must find and rescue to restore light and happiness. Guided by their determination and a little bit of magic, Rachel and Kirsty embark on a charming quest, solving clues and facing off against Jack Frost's goblin minions. This book establishes the fun, friendship-focused dynamic of the series, teaching young readers about teamwork and persistence as they work to save the magic of the rainbow and bring color back to both the human and fairy worlds.