Secrets and shame — every family has its share. When it came time to write her most autobiographical novel, Claire Messud relied on a 1,500-page family history compiled by her paternal grandfather. The result, “This Strange Eventful History,” sprawls over a third as many pages — 423, to be exact — to tell the story of three generations of a French Algerian family displaced from their colonial homeland, who never quite found another place where they felt so completely at home. HT Image The story is told from the point of view of the fiercely French, devoutly Catholic, patriarch Gaston; his rootless, cosmopolitan son, Francois; and his fearful, deluded, psychologically damaged daughter, Denise. Rounding out the chorus are Barbara, the beautiful, Protestant, Canadian-born wife of Francois, torn between roles as wife, mother and daughter as she struggles to earn a law degree at the peak of 1970s-era “women’s lib” while raising their two daughters and whipping up Julia Child recipes for dinner parties; and finally, Gaston’s granddaughter Chloe, a stand-in for the author, inheritor of …