Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information The Hummingbird Effect ← View details 3a Tindal Square, Chelmsford, Essex CM1 1EH, United Kingdom, Chelmsford, England