" On the floor beside the spare pillow that had tumbled from the bed in her sleep was a single yellow flower. Five heart-shaped petals. As fresh and as pure as if it were in full bloom in a summer meadow.
Drowsy and mind-fogged, she crept downstairs to look for a book on Irish wildflowers. It took her a while to find anything that resembled the yellow flower, but eventually she found an image and description that matched: "Cinquefoil, a flower renowned for its healing properties and a flower also said to be favored by fairy folk. Meanings associated with it include money, protection, sleep, prophetic dreams, and beloved daughter. "

― Hazel Gaynor , The Cottingley Secret