Hardcover nonfiction bestsellers, week of March 30

1. Predictably Irrational
By Dan Ariely. HarperCollins.
2. Beautiful Boy
By David Sheff. Houghton Mifflin.
3. In Defense of Food
By Michael Pollan. Penguin.
4. The Secret
By Rhonda Byrne. Atria.
5. The Assist
By Neil Swidey. PublicAffairs.
6. Black Postcards
By Dean Wareham. Penguin.
7. Women and Money
By Suze Orman. Spiegel & Grau.
8. Spark
By John J. Ratey. Little, Brown.
9. Good to Great
By Jim Collins. Collins.
10. The Book of General Ignorance
By John Lloyd and John Mitchinson. Harmony.

SOURCE: Boston area bookstores

1. Predictably Irrational
By Dan Ariely. HarperCollins.
2. Beautiful Boy
By David Sheff. Houghton Mifflin.
3. In Defense of Food
By Michael Pollan. Penguin.
4. The Secret
By Rhonda Byrne. Atria.
5. The Assist
By Neil Swidey. PublicAffairs.