Made to Stick: Why Some Ideas Survive and Others Die
by Chip Heath, Dan Heath
Random House; Published: 2007-01-02; Hardcover; Book
Best price: $13.90
Price in other shops: $25.00

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Influence: The Psychology of Persuasion (Collins Business Essentials)
by Robert B. Cialdini
Collins Business; Published: 2007-01-01; Paperback; Book
Best price: $9.45
Price in other shops: $17.95

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Codependent No More: How to Stop Controlling Others and Start Caring for Yourself
by Melody Beattie
Hazelden; Published: 1992-09-01; Paperback; Book
Best price: $7.78
Price in other shops: $15.95

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Crucial Conversations: Tools for Talking When Stakes are High
by Kerry Patterson, Joseph Grenny, Ron McMillan, Al Switzler, Stephen R. Covey
McGraw-Hill; Published: 2002-06-18; Paperback; Book
Best price: $7.89
Price in other shops: $16.95

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The Definitive Book of Body Language
by Barbara Pease, Allan Pease
Bantam; Published: 2006-07-25; Hardcover; Book
Best price: $12.95
Price in other shops: $23.00

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Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR Fourth Edition (Text Revision)
by American Psychiatric Association
American Psychiatric Publishing, Inc.; Published: 2000-06; Paperback; Book
Best price: $35.90
Price in other shops: $84.00

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A Whole New Mind: Why Right-Brainers Will Rule the Future
by Daniel H. Pink
Riverhead Trade; Published: 2006-03-07; Paperback; Book
Best price: $4.80
Price in other shops: $15.00

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Predictably Irrational: The Hidden Forces That Shape Our Decisions
by Dan Ariely
HarperCollins; Published: 2008-02-19; Hardcover; Book
Best price: $15.30
Price in other shops: $25.95

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Change Your Brain, Change Your Life: The Breakthrough Program for Conquering Anxiety, Depression, Obsessiveness, Anger, and Impulsiveness
by Daniel G. Amen
Three Rivers Press; Published: 1999-12-31; Paperback; Book
Best price: $8.45
Price in other shops: $15.00

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Publication Manual of the American Psychological Association
by American Psychological Association
American Psychological Association (APA); Published: 2001-07; Paperback; Book
Best price: $17.99
Price in other shops: $27.95