According to the free book review magazine, Book Page dated April 2006, these books are destined to be blockbusters:
Two Little Girls in Blue by Mary Higgins Clark. Release Date: April 4
Chasing Destiny by Eric Jerome Dickey. Release Date: April 11
Blue Shoes and Happiness by Alexander McCall Smith. Release Date: April 18.
I think we can also watch out for new novel The Debutante Divorcée reaching bestselling status judging from the comments in USA TODAY. This is the second book by Plum Sykes.