Cloudspotter and bestselling author Gavin Pretor-Pinney delivers a moment of calm atmospheric contemplation to members of his Cloud Appreciation Society by sharing a cloud image and story every day.A Cloud a Day urges all of us to keep our heads in the clouds with 365 fascinating formations from his extraordinarily popular Cloud Appreciation Society collection. Inspirational quotes and informative cloud facts accompany provocative and meditative images of the sky, encouraging