Dr Russ Harris is one of the world's leading authorities on Acceptance and Commitment Therapy (ACT), and regularly travels all over the world training professionals in the approach. He is also a medical practitioner, psychotherapist, and bestselling author of The Happiness Trap which has now been translated into 22 languages, The Confidence Gap and and The Reality Slap. Bev Aisbett is an author, illustrator, cartoonist and artist. She is also a trained counsellor and facilitator of the 'Working with IT' anxiety recovery workshops. The simple, straightforward and effective nature of Bev's work and publications is highly regarded by health workers and sufferers alike.