When the blue hour arrives, silver-blue sardines wriggle at the blue water's surface, a blue fox navigates the arctic cold, and blue poison dart frogs gather among water lilies, croaking to each other. This enchanting illustration of twilight celebrates the shift between day and night when nature is blue. Join the water, flowers, sky, and animals and rejoice in The Blue Hour. Little ones will sleep peacefully after enjoying this tranquil twilight journey with illustrations that radiate nature's enchanting beauty. For ages 4 to 8.