Books: Little Memsahibs

TWO UNDER THE INDIAN SUN by Jon and Rumer Godden. 240 pages. Knopf, Viking. $5.50.

Fifty years ago, eight-year-old Rumer Godden began to write a novel. "Peggy," read one memorable sentence, "looked round and saw a tigiger and a loin roring at her."

"But she was in the garden," protested Rumer's kibitzing nine-year-old sister Jon. "There wouldn't have been a tiger or a lion."

"It doesn't matter," said Rumer. "This is writing."

The Godden sisters are now successful British novelists, and when Rumer (Black Narcissus, The River) and Jon (The Seven Islands, The Peacock) use...