Blue Moon — Sara O'Leary

On the night of a blue moon, a boy and his cat set out for a walk and find themselves on a magical adventure. Together they travel through fields of flowers, forests of towering trees, and lakes of deep dark blue. Flying through starry blue skies, they reach the blue moon. But the blue planet, Earth, calls the explorers home. Safely back in bed, the boy wonders―was it only a dream?