By Susan Lotempio, The Buffalo News, N.Y. Apr. 1--It takes just an instant to radically change a life. And in the case of The Buffalo News Book Club's April selection, "The Memory Keeper's Daughter," one instant dramatically changes not just one life, but the lives of two families.

By BUSCH, Tedi The Memory Keeper's Daughter, by Kim Edwards. Viking. 414 pages. $35. Reviewed by Tedi Busch.