By B. F. Skinner
By Brock L. Eide, M.A., Fernette F. Eide
By Reay Tannahill
By Pinker, Steven
By Amir Levine, Rachel Heller
By Mary Ingham
By Scholastic
By ANTHONY ROBBINS
By Robbins
By Alexandra Massey
By Dr Spencer Johnson
By DR. CAROLINE LEAF
By Arbinger Institute
By Louie Giglio
By Jay McGraw
By Denise Linn
By Anita Moorjani
By Bangs Carey-Campbell
By Christine Wilding
By Becca Anderson, BJ Gallagher
By Stewart, Ian, Ian Stewart
By Eysenck, H. J., Eysenck, Michael W.
By Dale Carnegie
By Shaun Deeney
By Edward Enninful
By Sophie Williams