Butterfly Birthday completes a quartet of booksSnow Party, Mermaid Dance and By the Light of the Harvest Moonthat celebrates the many and miraculous wonders of the changing seasons. On the first day of spring, bugsdressed in their finest attiregreet one another after the long, cold winter and hold a spectacular party to welcome the vernal equinox. Mark Jones' beautiful and bewitching pastel illustrations bring this magical world to life."